{"product_id":"glowworm-eden-cb-boiler-sanitary-block-3-way-diverter-valve-802131-2000802131","title":"GLOWWORM EDEN CB BOILER SANITARY BLOCK 3 WAY DIVERTER VALVE 802131 2000802131","description":"\u003ch1\u003e\u003cspan\u003eGlowworm Eden CB Boiler Sanitary Block 3 Way Diverter Valve 802131 2000802131\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGlowworm Boiler Sanitary Block 3 Way Diverter Valve (Part Numbers: 802131 \/ 2000802131)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a hydraulic component intended for selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGlowworm Eden CB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combination boilers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sanitary block forms part of the boiler's domestic hot water and hydraulic control arrangement, working with the associated diverter valve mechanism to manage water flow during central heating and hot water operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe diverter valve system directs heated primary water through the appropriate circuit according to the boiler's operating demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCorrect operation of the hydraulic assembly is important for maintaining reliable water distribution and normal central heating and domestic hot water performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eℹ️ Product Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part may be available in \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e condition. Please select your desired option from the dropdown menu above. Refurbished hydraulic components should be professionally inspected and tested for correct operation and leakage before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe sanitary block is part of the boiler's hydraulic arrangement and is associated with the three-way diverter valve system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe diverter mechanism controls the direction of heated primary water, allowing the boiler to respond to central heating and domestic hot water requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOver time, internal components, seals and moving parts may become worn, damaged or restricted, potentially affecting water flow and valve operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate a diverter valve or associated hydraulic component problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDomestic hot water failing to reach the required temperature.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCentral heating failing to operate correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRadiators warming unexpectedly during domestic hot water demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent or inconsistent domestic hot water performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDiverter valve sticking or failing to change position correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWater leakage around the sanitary block or its connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRestricted or incorrect water flow through the associated hydraulic circuits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVisible corrosion, damage or deterioration affecting the assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty sanitary block or diverter valve\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may result from the actuator, flow detection components, circulation issues or other hydraulic controls. Correct professional diagnosis should be carried out before replacing the component.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler sanitary blocks and diverter valve assemblies should only be inspected, removed or installed by a suitably qualified heating engineer. Where the work involves gas appliance safety systems, a Gas Safe registered engineer with the appropriate qualifications must carry out the work.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance's electrical supply and relevant water connections before carrying out any work. Allow the system to cool and safely release residual pressure before removing the component.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFollow the manufacturer's installation and servicing instructions. Ensure that all required seals and connections are correctly fitted and complete appropriate leakage, pressure, circulation and operational safety checks before returning the boiler to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"GLOWWORM","offers":[{"title":"Genuine","offer_id":51469737427047,"sku":"N7671","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/s-l1600_48.webp?v=1794236391","url":"https:\/\/nationalboilerspares.co.uk\/products\/glowworm-eden-cb-boiler-sanitary-block-3-way-diverter-valve-802131-2000802131","provider":"National Boiler Spares","version":"1.0","type":"link"}