{"title":"Expansion Vessels","description":"","products":[{"product_id":"potterton-boiler-expansion-vessel-5117636","title":"Potterton Boiler Expansion Vessel 5117636","description":"\n    \u003ch1\u003ePotterton Boiler Expansion Vessel 5117636\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003ePotterton Boiler Expansion Vessel 5117636\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003ePotterton\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Examine all pipework and radiator valves for hidden leaks. Test the pressure relief valve for faults releasing pressure prematurely. Bleed my boiler is still over pressureing checked expansion vessel and it is still at 1 bar. When c\/h is running pressure gauge reads 3.5 + and\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e5117636\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003ePotterton\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Potterton","offers":[{"title":"Default Title","offer_id":41780738162791,"sku":"N7599","price":133.2,"currency_code":"GBP","in_stock":false}]},{"product_id":"ferroli-boiler-expansion-vessel-10-l-39809690","title":"Ferroli Boiler Expansion Vessel (10 L) 39809690","description":"\n    \u003ch1\u003eFerroli Boiler Expansion Vessel (10 L) 39809690\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eFerroli Boiler Expansion Vessel (10 L) 39809690\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eFerroli\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Check vessel pre-charge pressure (should be 0.8 bar) and replace if it doesn't hold. Inspect the pressure relief valve for leaks or sticking. expansion tank needs either replacement or repair. For my money, I would go with a replacement. The cost of labor is more than the tank and\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e39809690\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eFerroli\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Compatible","offer_id":42268809953383,"sku":"N3951","price":99.0,"currency_code":"GBP","in_stock":true},{"title":"New \/ Genuine","offer_id":42268809986151,"sku":"N6706","price":144.0,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Direct Sale","offer_id":42268810018919,"sku":"N7922-1","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Used \/ Tested Used Item","offer_id":42268810051687,"sku":"N1132-1","price":54.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image339842456_4f7c9f53-ea56-4aa5-aa6f-82c8234023ad.jpg?v=1774131208"},{"product_id":"ideal-istor-he260-he325-8-litre-expansion-vessel-173194","title":"IDEAL ISTOR HE260 \u0026 HE325 8 LITRE EXPANSION VESSEL 173194","description":"\n    \u003ch1\u003eIDEAL ISTOR HE260 \u0026amp; HE325 8 LITRE EXPANSION VESSEL 173194\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eIDEAL ISTOR HE260 \u0026amp; HE325 8 LITRE EXPANSION VESSEL 173194\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIDEAL\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: expansion vessel for around £120 and a PRV for a tenner. So around £280 for labour. However after reading the ideal servicing manual and Had an initial problem with boiler short cycling . Fault diagnosed as insufficient flow and now leaving most radiators open until an ABV is\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e173194\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIDEAL\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Compatible","offer_id":42269181083751,"sku":"N3824","price":54.0,"currency_code":"GBP","in_stock":true},{"title":"Used \/ Direct Sale","offer_id":42269181116519,"sku":"N2393","price":24.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image361935438_3206b6fe-256e-4707-af35-f0557f9e915a.jpg?v=1774131920"},{"product_id":"ravenheat-csi-85-ls-80-ls-100-boiler-expansion-vessel-6-litre-0004vas09010-0","title":"Ravenheat CSI 85, LS 80 LS 100 Boiler Expansion Vessel (6 Litre) 0004VAS09010\/0","description":"\n    \u003ch1\u003eRavenheat CSI 85, LS 80 LS 100 Boiler Expansion Vessel (6 Litre) 0004VAS09010\/0\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eRavenheat CSI 85, LS 80 LS 100 Boiler Expansion Vessel (6 Litre) 0004VAS09010\/0\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eRavenheat\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Fit another expansion vessel anywhere on the system that is convenient. These things do have a tendency to fail. You must log in or register to What's going on with your Ravenheat boiler? Pressure fluctuations after adjustmentsPossible expansion tank malfunctionI am experiencing a\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e0004VAS09010\/0\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eRavenheat\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New","offer_id":42269207494759,"sku":"N5745","price":46.2,"currency_code":"GBP","in_stock":false},{"title":"Refurbished","offer_id":42269207527527,"sku":"N0422-1","price":22.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/ARISTON-EXPANSION-VESSEL-998616_051fed8b-6f57-4fbe-bb72-9a694e93e9c6.jpg?v=1774132779"},{"product_id":"vaillant-boiler-expansion-vessel-with-prv-178985-181051","title":"Vaillant Boiler Expansion Vessel With Prv (178985) 181051","description":"\n    \u003ch1\u003eVaillant Boiler Expansion Vessel With Prv (178985) 181051\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVaillant Boiler Expansion Vessel With Prv (178985) 181051\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: My 9yr old Main Eco30 Combi stopped working. No heat and no hot water. I checked and seeing the pressure gauge had dropped, repressurised using the FIXED loop, VAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 and PRV 178985  pressure loss in your boiler or other symptoms of expansion vessel failure.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e181051\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVaillant\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":41780742226023,"sku":"N82766","price":67.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/515-R13IZuL._AC_SL1000_f3793f71-c4da-499e-a22f-ae8ddd449175.jpg?v=1774132742"},{"product_id":"baxi-combi-he-plus-solo-3-expansion-vessel-with-washer-240388","title":"Baxi Combi He Plus, Solo 3 Expansion Vessel with Washer 240388","description":"\n    \u003ch1\u003eBaxi Combi He Plus, Solo 3 Expansion Vessel with Washer 240388\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Combi He Plus, Solo 3 Expansion Vessel with Washer 240388\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Baxi Combi He Plus, Solo 3 Expansion Vessel with Washer 240388. £52.00  pressure loss in your boiler or other symptoms of expansion vessel failure.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e240388\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Genuine","offer_id":41780743897191,"sku":"N6705","price":120.0,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Direct Sale","offer_id":42269206937703,"sku":"N0560-1","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"New \/ Compatible","offer_id":41801529131111,"sku":"N3828","price":65.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/baxi-combi-he-plus-solo-3-expansion-vessel-with-washer-240388_25e0697a-c56b-4cd2-9f7a-69d169d0ec3e.jpg?v=1761146702"},{"product_id":"baxi-boiler-expansion-vessel-248024","title":"Baxi Boiler Expansion Vessel 248024","description":"\n    \u003ch1\u003eBaxi Boiler Expansion Vessel 248024\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Boiler Expansion Vessel 248024\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Baxi Boiler Expansion Vessel 248024. £26.40 – £70.50 Price range: £26.40  pressure loss in your boiler or other symptoms of expansion vessel failure.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e248024\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"Refurbished \/ Direct Sale","offer_id":41780744126567,"sku":"N0118-1","price":26.4,"currency_code":"GBP","in_stock":true},{"title":"New \/ Compatible","offer_id":41780744159335,"sku":"N3893","price":48.14,"currency_code":"GBP","in_stock":false},{"title":"New \/ New Other","offer_id":41801529262183,"sku":"N7898","price":66.0,"currency_code":"GBP","in_stock":false},{"title":"New \/ Genuine","offer_id":41801529294951,"sku":"N5349","price":70.5,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/baxi-potterton-main-expansion-vessel-248024_18ecd76a-ef21-458b-96b5-5a98cc367e08.jpg?v=1761146714"},{"product_id":"vokera-boiler-expansion-vessel-2204","title":"Vokera Boiler Expansion Vessel 2204","description":"\n    \u003ch1\u003eVokera Boiler Expansion Vessel 2204\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVokera Boiler Expansion Vessel 2204\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eFerroli\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Using a suitable pressure gauge, remove dust cap on expansion vessel and check the charge pressure.  FAULT CODES When the boiler is in a fault condition\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eCheck Manual\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eFerroli\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ferroli","offers":[{"title":"Default Title","offer_id":41780745830503,"sku":"N5659-1","price":40.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/1-1_f5f5efe6-936e-4e98-bdc0-122eba8f7bb9.jpg?v=1774132676"},{"product_id":"glowworm-boiler-expansion-vessel-8l-pressure-relief-valve-0020020744-0020275015","title":"Glowworm Boiler Expansion Vessel (8L) + Pressure Relief Valve 0020020744 0020275015","description":"\n    \u003ch1\u003eGlowworm Boiler Expansion Vessel (8L) + Pressure Relief Valve 0020020744 0020275015\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eGlowworm Boiler Expansion Vessel (8L) + Pressure Relief Valve 0020020744 0020275015\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eGlowworm\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: EXPANSION VESSEL SERVICE VALVE WITH DRAIN OFF. T-BAR. EXPANSION VESSEL FIXING  1\/2” F\/F 3 BAR PRESSURE RELIEF VALVE C\/W GAUGE. 313460. 1\/2” F\/F 6 BAR\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e0020275015\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eGlowworm\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Glowworm","offers":[{"title":"Default Title","offer_id":41780748222567,"sku":"N9193","price":73.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/5ea98bf4bbfc27991da08b3e4be252c8-scaled_2d3f848d-3212-4b0d-b8eb-bd5a70f0eb27.jpg?v=1774132615"},{"product_id":"worcester-greenstar-expansion-vessel-with-prv-87161055450-87161064310","title":"Worcester Greenstar Expansion Vessel With Prv 87161055450 87161064310","description":"\n    \u003ch1\u003eWorcester Greenstar Expansion Vessel With Prv 87161055450 87161064310\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eWorcester Greenstar Expansion Vessel With Prv 87161055450 87161064310\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eWorcester\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Undersized capacity for expansion is number one issue here, and what happens is the system expands, a bit of loss from PRV to atmosphere, then But first of all, check that it actually *has* failed. It may simply need re-pressurising, or the pressure relief valve may be leaking water to\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e87161064310\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eWorcester\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Worcester","offers":[{"title":"Default Title","offer_id":41780749369447,"sku":"N8647","price":64.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/N8647-Updated_c72b4a3f-c821-4283-ad43-069cfaae0a05.png?v=1774132536"},{"product_id":"flamco-flexcon-110-litre-expansion-vessel-6-bar","title":"Flamco Flexcon 110 Litre Expansion Vessel - 6 bar","description":"\n    \u003ch1\u003eFlamco Flexcon 110 Litre Expansion Vessel - 6 bar\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eFlamco Flexcon 110 Litre Expansion Vessel - 6 bar\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eFlamco\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: The pressurisation unit is connected into the heating system (6) via an isolation valve (7). The pressure sensor (8) monitors the system pressure. If the Recommended supply pressure: 6 bar (90 PSI). Maximum supply pressure: 9  ΔP 13 Expansion tank Flamco Flexcon 2. E 9 E 14 Gauge Flexcon 1,5\/4,0 15 Air\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eCheck Manual\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eFlamco\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Flamco","offers":[{"title":"Default Title","offer_id":41780750319719,"sku":"N9049","price":279.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image394289315_6391b486-dc68-44ba-9a78-df80df87c247.jpg?v=1774132511"},{"product_id":"zilmet-hydro-pro-35-litre-expansion-vessel","title":"Zilmet HYDRO-PRO 35 Litre Expansion Vessel","description":"\n    \u003ch1\u003eZilmet HYDRO-PRO 35 Litre Expansion Vessel\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eZilmet HYDRO-PRO 35 Litre Expansion Vessel\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eZilmet\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Alternatively, if a pressure reducing valve or regulator is out of your budget, then an air chamber installed near problem valves could solve What is a booster set? Booster pumping systems, booster sets or water pressure pumps are a proven and effective solution for increasing water pressure,\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eCheck Manual\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eZilmet\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Zilmet","offers":[{"title":"Default Title","offer_id":41780750483559,"sku":"N9026","price":108.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image392782011_5f1b79fc-9db5-4a17-8bcb-22d65f881d53.jpg?v=1774132500"},{"product_id":"vokera-boiler-expansion-vessel-8l-20138101-prv-20044364","title":"Vokera Boiler Expansion Vessel 8L 20138101 + PRV 20044364","description":"\n    \u003ch1\u003eVokera Boiler Expansion Vessel 8L 20138101 + PRV 20044364\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVokera Boiler Expansion Vessel 8L 20138101 + PRV 20044364\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVokera\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: But when another plumber from the same company came back, he said the PRV was not the only problem and it appeared that the expansion vessel was bottom of braided pipe. Why are you loosing pressure? See replies about expansion vessel issues. Good luck. Professional_Jury_88. • 3y ago.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e20044364\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVokera\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vokera","offers":[{"title":"Default Title","offer_id":41780751433831,"sku":"N8985","price":68.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image383510618_2028e890-99c8-4f6a-9a73-b995ced4a762.jpg?v=1774132444"},{"product_id":"baxi-potterton-main-boiler-expansion-vessel-5114691","title":"Baxi Potterton Main Boiler Expansion Vessel 5114691","description":"\n    \u003ch1\u003eBaxi Potterton Main Boiler Expansion Vessel 5114691\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Potterton Main Boiler Expansion Vessel 5114691\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Message our technical team on WhatsApp. Baxi Potterton Main Boiler Expansion Vessel 5114691  boiler or other symptoms of expansion vessel failure. Q5 My 9yr old Main Eco30 Combi stopped working. No heat and no hot water. I checked and seeing the pressure gauge had dropped, repressurised using the FIXED loop,\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e5114691\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"Refurbished \/ Direct Sale","offer_id":41780751499367,"sku":"N0440-1","price":38.0,"currency_code":"GBP","in_stock":true},{"title":"New \/ Compatible","offer_id":41780751532135,"sku":"N3831","price":57.0,"currency_code":"GBP","in_stock":true},{"title":"New \/ Genuine","offer_id":41780751564903,"sku":"N4903","price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Potterton-Gold-Baxi-Duotec-Promax-24He-Main-25-30-He-Expansion-Vessel-5114691-WB1_655ef444-a89b-4c66-aa9d-edb109eab302.jpg?v=1774132442"},{"product_id":"vaillant-boiler-expansion-vessel-181051-pressure-relief-valve-96008la","title":"Vaillant Boiler Expansion Vessel 181051 + Pressure Relief Valve 96008LA","description":"\n    \u003ch1\u003eVaillant Boiler Expansion Vessel 181051 + Pressure Relief Valve 96008LA\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVaillant Boiler Expansion Vessel 181051 + Pressure Relief Valve 96008LA\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: The expansion vessel inside the boiler is not working, it has a rubber diaphragm that may have failed, or the air it it needs re pressurising back to 3\/4-1 bar. Hi I am a Vaillant master technician. It sounds like the expansion vessel needs servicing or replacing. Let me know if I can help|Expansion\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e96008LA\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVaillant\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":41780752253031,"sku":"N8914","price":57.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image369012213_b925873d-28f6-467c-a239-f2df3c66d0c5.jpg?v=1774132359"},{"product_id":"worcester-greenstar-highflow-combi-boiler-vessel-8716119294","title":"Worcester Greenstar Highflow Combi Boiler Vessel 8716119294","description":"\n    \u003ch1\u003eWorcester Greenstar Highflow Combi Boiler Vessel 8716119294\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eWorcester Greenstar Highflow Combi Boiler Vessel 8716119294\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eWorcester\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Undersized capacity for expansion is number one issue here, and what happens is the system expands, a bit of loss from PRV to atmosphere, then But first of all, check that it actually *has* failed. It may simply need re-pressurising, or the pressure relief valve may be leaking water to\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e8716119294\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eWorcester\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Worcester","offers":[{"title":"Default Title","offer_id":41780753530983,"sku":"N7551","price":126.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Worcester-Greenstar-Highflow-Combi-Boiler-Vessel-8716119294-scaled_02ad6fdd-7a21-4d87-9aff-42af2a0f1471.jpg?v=1774132331"},{"product_id":"ideal-expansion-vessel-kit-17646","title":"Ideal Expansion Vessel Kit 17646","description":"\n    \u003ch1\u003eIdeal Expansion Vessel Kit 17646\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eIdeal Expansion Vessel Kit 17646\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: pressure combined with the excess air was not conducive for a good combustion.  A symptom of fuel pressure issues is exactly what you are (2) If the extra seats are suitable for occupancy during taxi, takeoff and landing (i.e., meet all the strength and passenger injury criteria in part 25), then\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e17646\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41780756152423,"sku":"N8894","price":118.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image365308118_7de0498d-273e-4967-a9d6-087b8e7cc62f.jpg?v=1774132225"},{"product_id":"ideal-boiler-expansion-vessel-176001","title":"Ideal Boiler Expansion Vessel 176001","description":"\n    \u003ch1\u003eIdeal Boiler Expansion Vessel 176001\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eIdeal Boiler Expansion Vessel 176001\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: of common health issues and diseases and establish policies to pro- mote healthy well-being. Students will identify signs, symptoms and. SYMPTOMS USING OUR MILITARY 1706 01:10:20,240 --\u0026gt; 01:10:22,640 HEALTH SYSTEM  4382 03:11:33,600 --\u0026gt; 03:11:34,400 POPULAR FOR GOOD REASON. 4383 03:11\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e176001\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41780756447335,"sku":"N8780","price":156.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image365223435_b0dca30c-af69-43d4-9217-96d4e380ee2d.jpg?v=1774132203"},{"product_id":"boiler-expansion-vessel-8-litre","title":"Boiler Expansion Vessel 8 Litre","description":"\n    \u003ch1\u003eBoiler Expansion Vessel 8 Litre\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBoiler Expansion Vessel 8 Litre\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBoiler\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Tie a plastic bag tight around this pipe (so rain doesn't get in), if over the course of a week you find water in the bag, your expansion vessel Boiler problems. Amir Al Jandel󰞋Dec 23, 2024󰞋󱟠. 󰟝. What's the typical cost for replacing the expansion vessel on an IDEAL combi boiler? The\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eCheck Manual\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBoiler\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Boiler","offers":[{"title":"Default Title","offer_id":41780757987431,"sku":"N8880","price":29.56,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image363616217_14816520-0b4f-4474-85e8-b8cde7ce00e2.jpg?v=1774132100"},{"product_id":"baxi-combi-expansion-vessel-248024","title":"Baxi Combi Expansion Vessel with PRV 248024","description":"\n    \u003ch1\u003eBaxi Combi Expansion Vessel with PRV 248024\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Combi Expansion Vessel with PRV 248024\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Baxi Combi Expansion Vessel with  pressure loss in your boiler or other symptoms of expansion vessel failure.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e248024\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Baxi","offers":[{"title":"Default Title","offer_id":41780770078823,"sku":"N8654-1","price":31.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image348520297_469cb21e-7179-414a-ab7e-e904d0fa7e43.jpg?v=1774131731"},{"product_id":"zilmet-35-litre-expansion-vessel-131a070051","title":"Zilmet 35 litre Expansion Vessel 131A070051","description":"\n    \u003ch1\u003eZilmet 35 litre Expansion Vessel 131A070051\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eZilmet 35 litre Expansion Vessel 131A070051\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eWorcester\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Undersized capacity for expansion is number one issue here, and what happens is the system expands, a bit of loss from PRV to atmosphere, then It seems the expansion vessel is a likely culprit, and we've not spotted any leaks at all anywhere else in the system (even the old one is bone dry).\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e131A070051\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eWorcester\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Worcester","offers":[{"title":"Default Title","offer_id":41780770406503,"sku":"N8739","price":57.01,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Zilmet-35-litre-Expansion-Vessel-131A070051_0c1fc543-63d5-4392-8dd1-23c523394b65.jpg?v=1774131707"},{"product_id":"altecnic-eres-80-litre-potable-expansion-vessel-er-pv80-2","title":"Altecnic - ERES 80 Litre Potable Expansion Vessel - ER-PV80","description":"\n    \u003ch1\u003eAltecnic - ERES 80 Litre Potable Expansion Vessel - ER-PV80\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eAltecnic - ERES 80 Litre Potable Expansion Vessel - ER-PV80\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eAriston\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Altecnic Eres 80  Ariston Boiler Expansion\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eER-PV80\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eAriston\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ariston","offers":[{"title":"Default Title","offer_id":41780770439271,"sku":"N8734","price":165.6,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image347344090_eb54bd7d-bcb7-400e-9170-98d2888a0737.jpg?v=1774131705"},{"product_id":"worcester-mini-expansion-vessel-87161425030","title":"Worcester Mini Expansion Vessel 87161425030","description":"\n    \u003ch1\u003eWorcester Mini Expansion Vessel 87161425030\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eWorcester Mini Expansion Vessel 87161425030\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBiasi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Biasi boiler expansion vessel and prv change then hot water stoped working Birmingham uk How i changed the fan and how a heating engineer Sure, I can release the pressure from the heating system and then check the pressure in the pressure vessel. It has a Schrader valve, similar to\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e87161425030\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBiasi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Biasi","offers":[{"title":"Default Title","offer_id":41780773486695,"sku":"N7391","price":48.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Worcester-Mini-Expansion-Vessel-87161425030-1_7ce7f00c-2af9-4df9-be2d-95ecb5d90c60.jpg?v=1774131544"},{"product_id":"altecnic-eres-80-litre-potable-expansion-vessel-er-pv80","title":"Altecnic Eres 80 Litre Potable Expansion Vessel ER-PV80","description":"\n    \u003ch1\u003eAltecnic Eres 80 Litre Potable Expansion Vessel ER-PV80\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eAltecnic Eres 80 Litre Potable Expansion Vessel ER-PV80\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eRemeha\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Altecnic Eres 80  One of the most common indicators of expansion vessel issues is unstable pressure readings on your boiler's gauge.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eER-PV80\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eRemeha\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Remeha","offers":[{"title":"Default Title","offer_id":41780773847143,"sku":"N7995","price":144.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Altecnic-Eres-ER-PV80-80-Litre-Potable-Expansion-Vessel-ER-PV80_ed14839a-2966-4db4-9104-4384f1ab1101.jpg?v=1774131529"},{"product_id":"worcester-boiler-12-litre-expansion-vessel-87161425050","title":"Worcester Boiler 12 Litre Expansion Vessel 87161425050","description":"\n    \u003ch1\u003eWorcester Boiler 12 Litre Expansion Vessel 87161425050\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eWorcester Boiler 12 Litre Expansion Vessel 87161425050\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Supply \u0026amp; Fit Baxi Expansion Vessel. Supply \u0026amp; Fit Baxi Air Vent Incl Seal. Supply \u0026amp; Fit Oxypic Leak Sealer. Safety Valve To Be Piped Into Have you checked the expansion vessel? If that's faulty the pressure will rise too much when the system heats up causing the PRV to open. PRV\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e87161425050\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Baxi","offers":[{"title":"Default Title","offer_id":41780775518311,"sku":"N7243","price":132.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image340226989_33d4c514-1632-4846-b149-7e6d4f97d069.jpg?v=1774131470"},{"product_id":"saunier-duval-boiler-expansion-vessel-8l-s1006200","title":"Saunier Duval Boiler Expansion Vessel (8L) S1006200","description":"\n    \u003ch1\u003eSaunier Duval Boiler Expansion Vessel (8L) S1006200\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eSaunier Duval Boiler Expansion Vessel (8L) S1006200\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eWorcester\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Buy the Saunier Duval S1006200 Expansion Vessel 8 L from Direct Heating Spares. DHS Part Number: 1416131 - Manufacturer Code:S1006200. Buy Saunier Expansion Vessels from Direct Heating Spares, Thousands of Boiler \u0026amp; Heating Spare parts in stock and available for Next Day Delivery.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eS1006200\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eWorcester\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Worcester","offers":[{"title":"Default Title","offer_id":41780777877607,"sku":"N8184","price":159.98,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image340094903_dfec3dc4-ff54-45c6-8227-1385c314e221.jpg?v=1774131367"},{"product_id":"potterton-boiler-secondary-expansion-vessel-5106938","title":"Potterton Boiler Secondary Expansion Vessel 5106938","description":"\n    \u003ch1\u003ePotterton Boiler Secondary Expansion Vessel 5106938\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003ePotterton Boiler Secondary Expansion Vessel 5106938\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBoiler\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: I explain how a boiler expansion tank works in this hot water heating system, how to check if it's working properly, how to check and adjust So my boiler began to burp fluid out of it's overflow valve last week. As I understand it this is often a sign of a bad expansion tank,\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e5106938\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBoiler\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Boiler","offers":[{"title":"Default Title","offer_id":41780778401895,"sku":"N8029","price":99.98,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image340076145_0cb4e52d-aa9a-4818-9a1a-d680d97347e7.jpg?v=1774131348"},{"product_id":"glowworm-expansion-vessel-with-prv-0020020744-was-801666-2000801312","title":"Glowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312","description":"\n    \u003ch1\u003eGlowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eGlowworm Expansion Vessel with PRV 0020020744 was 801666 2000801312\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: The expansion vessel inside the boiler is not working, it has a rubber diaphragm that may have failed, or the air it it needs re pressurising back to 3\/4-1 bar. Hi I am a Vaillant master technician. It sounds like the expansion vessel needs servicing or replacing. Let me know if I can help|Expansion\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e2000801312\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVaillant\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":41780778958951,"sku":"N8306","price":57.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image340055757_6b3dc724-aacd-45b7-95bf-faca9ed07269.jpg?v=1774131323"},{"product_id":"worcester-expansion-vessel-repair-kit-kit-2-for-8716142500","title":"Worcester Expansion Vessel Repair Kit (Kit 2) for 87161425000","description":"\n    \u003ch1\u003eWorcester Expansion Vessel Repair Kit (Kit 2) for 87161425000\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eWorcester Expansion Vessel Repair Kit (Kit 2) for 87161425000\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eChaffoteaux\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: You have a faulty expansion tank; it cannot manage the pressure increase that occurs when the water is heated. Once you replace this tank, you Buy Chaffoteaux et Maury - 18 Litre White Potable Water Expansion Vessel compatible with Chaffoteaux et Maury Hyrdraflo Indirect 125, 150 \u0026amp; 210 Litre\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e87161425000\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eChaffoteaux\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Chaffoteaux","offers":[{"title":"Default Title","offer_id":41780781776999,"sku":"N2248-C","price":7.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/worcester-expansion-vessel-repair-kit-kit-2-for-8716142500_148cdefb-8942-41c5-93dd-503be19bb695.jpg?v=1774131046"},{"product_id":"vaillant-expansion-vessel-repair-kit-kit-2-for-181051","title":"Vaillant Expansion Vessel Repair Kit (Kit 2) for 181051","description":"\n    \u003ch1\u003eVaillant Expansion Vessel Repair Kit (Kit 2) for 181051\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVaillant Expansion Vessel Repair Kit (Kit 2) for 181051\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eRiello\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: VAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 and PRV 178985  frequent breakdowns and repair costs. Even after replacing the expansion\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e181051\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eRiello\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Riello","offers":[{"title":"Default Title","offer_id":41780781809767,"sku":"N2248-B","price":7.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/vaillant-expansion-vessel-repair-kit-kit-2-for-181051_0a056964-9c58-4561-b90a-e6492bd05b4e.jpg?v=1774131045"},{"product_id":"baxi-main-potterton-expansion-vessel-repair-kit-kit-2-for-5114691-248722-5113000","title":"Baxi Main Potterton Expansion Vessel Repair Kit (Kit 2) for 5114691 248722 5113000","description":"\n    \u003ch1\u003eBaxi Main Potterton Expansion Vessel Repair Kit (Kit 2) for 5114691 248722 5113000\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Main Potterton Expansion Vessel Repair Kit (Kit 2) for 5114691 248722 5113000\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eMyson\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Do I need a new pump, or can I manually restart it? I have checked the expansion tank, and everything seems to be in order. Answered by Andrew Smith in 1 hour tank and feed valve at the PONPC, the secondary circ is pumping away. The Spirovent, expansion tank and secondary circulator are all about 18 y\/\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e5113000\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eMyson\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Myson","offers":[{"title":"Default Title","offer_id":41780781973607,"sku":"N2248-A","price":7.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/baxi-main-potterton-expansion-vessel-repair-kit-kit-2-for-5114691-248722-5113000_251ff81b-3b5b-4f64-a637-2eabdef55592.jpg?v=1774131045"},{"product_id":"ideal-boiler-expansion-vessel-8l-with-prv-175551","title":"Ideal Boiler Expansion Vessel (8L) 175551","description":"\u003ch1\u003eIdeal Boiler Expansion Vessel (8L) 175551\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eIdeal Boiler Expansion Vessel (8L) 175551\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n\u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003eThis part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\u003c\/div\u003e\n\u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n\u003cp\u003eBased on service data: Ideal Logic+Combi Expansion Vessel (8L) 175551.Brand New Product come with This kit ensures optimal performance, preventing pressure-related issues and UCP Baxi 8L Expansion Vessel 5114691561412. £74.52. each, Inc. VAT Ideal Expansion Vessel Kit 175551.624841. £129.60. each, Inc. VAT. Collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n\u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n\u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part (MPN: \u003cstrong\u003e175551\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e","brand":"Ideal","offers":[{"title":"New","offer_id":43766510551143,"sku":"N8307","price":57.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo_40.jpg?v=1778761962"},{"product_id":"baxi-potterton-boiler-expansion-vessel-7-litres-248722","title":"Baxi Potterton Boiler Expansion Vessel (7 Litres) 248722","description":"\n    \u003ch1\u003eBaxi Potterton Boiler Expansion Vessel (7 Litres) 248722\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBaxi Potterton Boiler Expansion Vessel (7 Litres) 248722\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Supply \u0026amp; Fit Baxi Expansion Vessel. Supply \u0026amp; Fit Baxi Air Vent Incl Seal. Supply \u0026amp; Fit Oxypic Leak Sealer. Safety Valve To Be Piped Into Have you checked the expansion vessel? If that's faulty the pressure will rise too much when the system heats up causing the PRV to open. PRV\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e248722\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Genuine","offer_id":41780790558823,"sku":"N7723","price":114.0,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Direct Sale","offer_id":42268754051175,"sku":"N1102-1","price":60.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Baxi-Potterton-Boiler-Expansion-Vessel-7-Litres-248722_3ba67027-a305-4bc8-b425-be12c173121c.jpg?v=1774130478"},{"product_id":"heatline-boiler-expansion-vessel-d003200028-3003200028","title":"Heatline Hydroline Boiler Expansion Vessel D003200028 3003200028","description":"\n    \u003ch1\u003eHeatline Hydroline Boiler Expansion Vessel D003200028 3003200028\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eHeatline Hydroline Boiler Expansion Vessel D003200028 3003200028\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eHeatline\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: issues: the bladder-type expansion tank  Pressure fluctuations in the Heatline C28 often stem from a faulty expansion vessel or pressure relief issues i have a Heatline Capriz 28c and the. What's on in Tottington  Had the pressure relief valve replaced and the expansion vessel\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e3003200028\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eHeatline\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ New Other","offer_id":41780793081959,"sku":"N7933","price":51.84,"currency_code":"GBP","in_stock":false},{"title":"New \/ Compatible","offer_id":41802560143463,"sku":"N3830","price":81.93,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Direct Sale","offer_id":42268749693031,"sku":"N0987-1","price":39.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/heatline-boiler-expansion-vessel-d003200028-3003200028-3_9e3d2696-99ab-4bd5-b8c8-a1cbe3a8ae05.jpg?v=1774130419"},{"product_id":"biasi-boiler-expansion-vessel-bi1172103","title":"Biasi Boiler Expansion Vessel Bi1172103","description":"\n    \u003ch1\u003eBiasi Boiler Expansion Vessel Bi1172103\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBiasi Boiler Expansion Vessel Bi1172103\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBiasi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Biasi boiler expansion vessel and prv change then hot water stoped working Birmingham uk How i changed the fan and how a heating engineer Sure, I can release the pressure from the heating system and then check the pressure in the pressure vessel. It has a Schrader valve, similar to\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eBi1172103\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBiasi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Genuine","offer_id":41780796227687,"sku":"N5600","price":69.6,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Direct Sale","offer_id":42269116629095,"sku":"N0171-1","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/biasi-boiler-expansion-vessel-bi1172103-4_e851f72f-25d3-45b3-b330-3416fab2fec5.jpg?v=1774130247"},{"product_id":"glowworm-saunier-duval-boiler-expansion-vessel-6-litre-s004002563","title":"Glowworm, Saunier Duval Boiler Expansion Vessel (6 Litre) S004002563","description":"\n    \u003ch1\u003eGlowworm, Saunier Duval Boiler Expansion Vessel (6 Litre) S004002563\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eGlowworm, Saunier Duval Boiler Expansion Vessel (6 Litre) S004002563\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eGlowworm,\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: If we need to replace the expansion vessel, do we need to buy a Glow Worm one or not? Also, can you add the new one to the heating return, and Having high water pressure issues. Changed the expansion vessel to a modern equivalent. Believe pressure is set to 1Bar, this didn't resolve it.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eS004002563\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eGlowworm,\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ New Other","offer_id":41780796489831,"sku":"N7897-B","price":39.6,"currency_code":"GBP","in_stock":false},{"title":"New \/ Compatible","offer_id":41802640621671,"sku":"N7932-B","price":39.6,"currency_code":"GBP","in_stock":false},{"title":"New \/ Genuine","offer_id":41802640654439,"sku":"N5745-B","price":46.2,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Direct Sale","offer_id":41780796588135,"sku":"N0422-B","price":27.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/ARISTON-EXPANSION-VESSEL-998616_def92abc-aabe-4ba4-90d6-93557577dcea.jpg?v=1774130236"},{"product_id":"ariston-boiler-expansion-vessel-6-litre-998616","title":"Ariston Boiler Expansion Vessel (6 Litre) 998616","description":"\n    \u003ch1\u003eAriston Boiler Expansion Vessel (6 Litre) 998616\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eAriston Boiler Expansion Vessel (6 Litre) 998616\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eAriston\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Ariston Boiler Expansion  pressure loss in your boiler or other symptoms of expansion vessel failure.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e998616\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eAriston\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ New Other","offer_id":41780796620903,"sku":"N7897-A","price":39.6,"currency_code":"GBP","in_stock":false},{"title":"New \/ Compatible","offer_id":41802640752743,"sku":"N7932-A","price":39.6,"currency_code":"GBP","in_stock":false},{"title":"New \/ Genuine","offer_id":41802640785511,"sku":"N5745-A","price":46.2,"currency_code":"GBP","in_stock":false},{"title":"Refurbished \/ Direct Sale","offer_id":41780796719207,"sku":"N0422-A","price":27.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/ARISTON-EXPANSION-VESSEL-998616_c979fc92-72fd-4f26-9d3d-3684fd8d9f00.jpg?v=1774130235"},{"product_id":"vaillant-ecotec-exclusive-vuw-832-828-835-e-expansion-vessel-181051-prv-178985","title":"VAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 \u0026 PRV 178985","description":"\n    \u003ch1\u003eVAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 \u0026amp; PRV 178985\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 \u0026amp; PRV 178985\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVAILLANT\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: VAILLANT ECOTEC EXCLUSIVE VUW 832 828 835 E EXPANSION VESSEL 181051 and PRV 178985  pressure loss in your boiler or other symptoms of expansion vessel failure. My 9yr old Main Eco30 Combi stopped working. No heat and no hot water. I checked and seeing the pressure gauge had dropped, repressurised using the FIXED loop,\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e178985\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVAILLANT\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"New \/ Compatible","offer_id":41780800258151,"sku":"N8276","price":67.36,"currency_code":"GBP","in_stock":true},{"title":"Refurbished \/ Direct Sale","offer_id":42269113450599,"sku":"N0167-1","price":39.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/VAILLANT-ECOTEC-EXCLUSIVE-VUW-832-828-835-E-EXPANSION-VESSEL-181051-PRV-178985_53674766-aeea-4c18-8745-0fdc29d3bdfd.jpg?v=1761166233"},{"product_id":"vokera-mynute-boiler-expansion-vessel-10020839","title":"Vokera Mynute Boiler Expansion Vessel 10020839","description":"\n    \u003ch1\u003eVokera Mynute Boiler Expansion Vessel 10020839\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVokera Mynute Boiler Expansion Vessel 10020839\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: expansion vessel for around £120 and a PRV for a tenner. So around £280 for labour. However after reading the ideal servicing manual and Had an initial problem with boiler short cycling . Fault diagnosed as insufficient flow and now leaving most radiators open until an ABV is\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e10020839\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41800816164967,"sku":"N3825","price":103.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image339771784_2d9b7373-dc4a-4ed4-a4b1-e5f8e24aa91d.jpg?v=1774131176"},{"product_id":"viessmann-boiler-expansion-vessel-7828646","title":"Viessmann Boiler Expansion Vessel 7828646","description":"\n    \u003ch1\u003eViessmann Boiler Expansion Vessel 7828646\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eViessmann Boiler Expansion Vessel 7828646\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eGlowworm\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: If we need to replace the expansion vessel, do we need to buy a Glow Worm one or not? Also, can you add the new one to the heating return, and Having high water pressure issues. Changed the expansion vessel to a modern equivalent. Believe pressure is set to 1Bar, this didn't resolve it.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e7828646\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eGlowworm\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Glowworm","offers":[{"title":"Default Title","offer_id":41800818425959,"sku":"N8729-1","price":52.39,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/viessmann-boiler-expansion-vessel-7828646-4_90910729-6547-4f37-9b96-969ede4994d4.jpg?v=1774131016"},{"product_id":"viessmann-boiler-expansion-vessel-7828008","title":"Viessmann Boiler Expansion Vessel 7828008","description":"\n    \u003ch1\u003eViessmann Boiler Expansion Vessel 7828008\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eViessmann Boiler Expansion Vessel 7828008\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eAriston\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Ariston with Flexies and not had any problems  Once you fit the prv, the expansion vessel must be fitted regardless of how much expansion pipe Hi, I'm here to help you get sorted in the shortest possible time. The pressure vessel is meant to act as a cushion, so it should be between 0.5\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e7828008\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eAriston\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ariston","offers":[{"title":"Default Title","offer_id":41800818458727,"sku":"N8728-1","price":39.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/7828008-1-scaled_7b783ddc-7d28-47b9-acc8-efb5a5dbe52a.jpg?v=1774131015"},{"product_id":"morco-expansion-vessel-mcb2005","title":"MORCO EXPANSION VESSEL MCB2005","description":"\n    \u003ch1\u003eMORCO EXPANSION VESSEL MCB2005\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eMORCO EXPANSION VESSEL MCB2005\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: expansion vessel for around £120 and a PRV for a tenner. So around £280 for labour. However after reading the ideal servicing manual and Had an initial problem with boiler short cycling . Fault diagnosed as insufficient flow and now leaving most radiators open until an ABV is\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eMCB2005\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41800818589799,"sku":"N2872-1","price":39.98,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image339397973_5a78d9c9-d9c5-4115-b255-ace83c024c4c.jpg?v=1774131010"},{"product_id":"vokera-boiler-expansion-vessel-7204","title":"Vokera Boiler Expansion Vessel 7204","description":"\n    \u003ch1\u003eVokera Boiler Expansion Vessel 7204\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVokera Boiler Expansion Vessel 7204\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVokera\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: But when another plumber from the same company came back, he said the PRV was not the only problem and it appeared that the expansion vessel was bottom of braided pipe. Why are you loosing pressure? See replies about expansion vessel issues. Good luck. Professional_Jury_88. • 3y ago.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eCheck Manual\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVokera\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"Default Title","offer_id":42269126656103,"sku":"N2398","price":37.94,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Vokera-Boiler-Expansion-Vessel-7204-1_ebbf4bf5-4e1f-47d4-ba05-ca2ad769a053.jpg?v=1761158923"},{"product_id":"vaillant-10l-expansion-vessel-181057","title":"Vaillant 10L Expansion Vessel 181057","description":"\n    \u003ch1\u003eVaillant 10L Expansion Vessel 181057\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVaillant 10L Expansion Vessel 181057\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eHoneywell\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: We have a Honeywell pressure reducing valve right after the shut off?  Water pressure tank charge help. 1 upvote · 1 comment. Hot Water Tank Troubleshooting Honeywell Gas Control Valve Issues | KC Water Heaters. Are you  Expansion Tank Requirements · Pressure Reducing Valve. FAQ. Do I have an\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e181057\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eHoneywell\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":41800820588647,"sku":"N2390","price":39.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image369274665_62448c71-4340-4669-b576-07bde4324bb5.jpg?v=1774130954"},{"product_id":"potterton-puma-80-80e-100-100e-french-type-1b-expansion-vessel-430007","title":"Potterton Puma 80 80E 100 100E\/ French Type 1B Expansion Vessel 430007","description":"\n    \u003ch1\u003ePotterton Puma 80 80E 100 100E\/ French Type 1B Expansion Vessel 430007\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003ePotterton Puma 80 80E 100 100E\/ French Type 1B Expansion Vessel 430007\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Hi I am a Vaillant master technician. It sounds like the expansion vessel needs servicing or replacing. Let me know if I can help|Expansion The expansion vessel inside the boiler is not working, it has a rubber diaphragm that may have failed, or the air it it needs re pressurising back to 3\/4-1 bar.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e430007\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVaillant\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":41800844968039,"sku":"N1564-1","price":43.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/image335849544_2dbc94dc-a3e9-4763-83c7-f60e45413a4d.jpg?v=1774130618"},{"product_id":"potterton-combi-expansion-vessel-43000701","title":"Potterton Combi Expansion Vessel 43000701","description":"\n    \u003ch1\u003ePotterton Combi Expansion Vessel 43000701\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003ePotterton Combi Expansion Vessel 43000701\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: The expansion vessel inside the boiler is not working, it has a rubber diaphragm that may have failed, or the air it it needs re pressurising back to 3\/4-1 bar. Hi I am a Vaillant master technician. It sounds like the expansion vessel needs servicing or replacing. Let me know if I can help|Expansion\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e43000701\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVaillant\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":41800845000807,"sku":"N1562-1","price":54.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Potterton-Combi-Expansion-Vessel-43000701-1_7feddc0f-75fa-4a68-898d-8c69bb9d0172.jpg?v=1774130617"},{"product_id":"ravenheat-expansion-vessel-0004vas11011-0","title":"Ravenheat Expansion Vessel 0004Vas11011\/0","description":"\n    \u003ch1\u003eRavenheat Expansion Vessel 0004Vas11011\/0\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eRavenheat Expansion Vessel 0004Vas11011\/0\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: expansion vessel for around £120 and a PRV for a tenner. So around £280 for labour. However after reading the ideal servicing manual and Had an initial problem with boiler short cycling . Fault diagnosed as insufficient flow and now leaving most radiators open until an ABV is\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e0004Vas11011\/0\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41800861024359,"sku":"N1017-1","price":42.3,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/ravenheat-expansion-vessel-0004vas11011-0-3_9a26cb36-1a18-4318-8d7a-37636d431655.jpg?v=1774130438"},{"product_id":"biasi-bi1002110-expansion-vessel-free-aav-and-prv","title":"Biasi Bi1002110 Expansion Vessel Free Aav And Prv","description":"\n    \u003ch1\u003eBiasi Bi1002110 Expansion Vessel Free Aav And Prv\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBiasi Bi1002110 Expansion Vessel Free Aav And Prv\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eBaxi\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Supply \u0026amp; Fit Baxi Expansion Vessel. Supply \u0026amp; Fit Baxi Air Vent Incl Seal. Supply \u0026amp; Fit Oxypic Leak Sealer. Safety Valve To Be Piped Into Have you checked the expansion vessel? If that's faulty the pressure will rise too much when the system heats up causing the PRV to open. PRV\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003eBi1002110\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eBaxi\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Baxi","offers":[{"title":"Default Title","offer_id":41800870887527,"sku":"N0602-1","price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Biasi-Bi1002110-Expansion-Vessel-Free-Aav-And-Prv-1-scaled_5323b636-4838-402a-babe-b9a669f3b0cd.jpg?v=1774130266"},{"product_id":"glowworm-betacom-24c-30c-0020061657-expansion-vessel","title":"Glowworm Betacom 24C 30C 0020061657 Expansion Vessel","description":"\n    \u003ch1\u003eGlowworm Betacom 24C 30C 0020061657 Expansion Vessel\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eGlowworm Betacom 24C 30C 0020061657 Expansion Vessel\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eIdeal\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: Common signs include poor hot water performance, fluctuating water  Glowworm Betacom Expansion Vessel 24C\/30C (7L) 0020061657. £42.99 Original Common signs include lukewarm water, radiators heating when you only need  Sale! 0020061657. Glowworm Betacom Expansion Vessel 24C\/30C (7L) 0020061657.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e0020061657\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eIdeal\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"Ideal","offers":[{"title":"Default Title","offer_id":41800875114599,"sku":"N0609-1","price":37.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/glowworm-betacom-24c-30c-0020061657-expansion-vessel_34fca976-45e6-49af-b408-5f8f971e8e93.jpg?v=1774130190"},{"product_id":"vokera-linea-24-28-boiler-expansion-vessel-1830-478033","title":"Vokera Linea 24 \u0026 28 Boiler Expansion Vessel 1830 478033","description":"\n    \u003ch1\u003eVokera Linea 24 \u0026amp; 28 Boiler Expansion Vessel 1830 478033\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVokera Linea 24 \u0026amp; 28 Boiler Expansion Vessel 1830 478033\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVokera\u003c\/strong\u003e heating systems. This Expansion Vessel accommodates the expansion of water as it heats up, maintaining stable system pressure. properly functioning components are vital for the energy efficiency and safety of your boiler.\u003c\/p\u003e\n    \n    \u003cdiv style=\"background-color: #f8f9fa; padding: 15px; border-left: 4px solid #007bff; margin: 20px 0; font-family: sans-serif;\"\u003e\n        \u003cstrong\u003eℹ️ Product Condition Options:\u003c\/strong\u003e\u003cbr\u003e\n        This part may be available in \u003cem\u003eNew\u003c\/em\u003e, \u003cem\u003eRefurbished\u003c\/em\u003e, or \u003cem\u003eCompatible\u003c\/em\u003e conditions. Please select your desired option from the dropdown menu above. All refurbished parts are professionally tested to ensure reliability.\n    \u003c\/div\u003e\n\n    \u003ch2\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/h2\u003e\n    \u003cp\u003eBased on service data: But when another plumber from the same company came back, he said the PRV was not the only problem and it appeared that the expansion vessel was bottom of braided pipe. Why are you loosing pressure? See replies about expansion vessel issues. Good luck. Professional_Jury_88. • 3y ago.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eReplacing this part often resolves the following issues:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eRestores reliable system operation and eliminates fault codes.\u003c\/li\u003e\n        \u003cli\u003eResolves specific failure symptoms such as component malfunction.\u003c\/li\u003e\n        \u003cli\u003eEnsures safety compliance and efficient boiler performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cp\u003eThis part (MPN: \u003cstrong\u003e478033\u003c\/strong\u003e) is designed for models within the \u003cstrong\u003eVokera\u003c\/strong\u003e range. Please strictly verify the part number against your boiler's technical manual before ordering to guarantee fitment.\u003c\/p\u003e\n    \n    \u003cp style=\"font-size: 0.9em; color: #666; border-top: 1px solid #eee; padding-top: 10px;\"\u003e\u003cem\u003e\u003cstrong\u003eSafety Advice:\u003c\/strong\u003e Boiler parts involve gas, water, and electricity. Installation must be carried out by a Gas Safe registered engineer.\u003c\/em\u003e\u003c\/p\u003e\n    ","brand":"National Boiler Spares","offers":[{"title":"Default Title","offer_id":42269115908199,"sku":"N0523-1","price":39.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/vokera-linea-24-28-boiler-expansion-vessel-1830-478033-6_a61ffefb-e358-4248-9c13-148905b8fa6a.jpg?v=1774130172"}],"url":"https:\/\/nationalboilerspares.co.uk\/collections\/expansion-vessels.oembed?page=2","provider":"National Boiler Spares","version":"1.0","type":"link"}