{"product_id":"vaillant-diverter-valve-252457","title":"Vaillant Diverter Valve 252457","description":"\n    \u003ch1\u003eVaillant Diverter Valve 252457\u003c\/h1\u003e\n    \n    \u003ch2\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eVaillant Diverter Valve 252457\u003c\/strong\u003e is a critical component designed for specific \u003cstrong\u003eVaillant\u003c\/strong\u003e heating systems. This Diverter Valve mechanically directs hot water to either the radiators (heating) or the taps (hot water), ensuring demand priority. 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: Boiler is about 10 years old, never had any parts replaced in the past, believe diverter valve is a common fault on these?  part no 252457. London homeowners face unique challenges with their heating systems, and diverter valve issues are among the most common boiler problems.\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\u003e252457\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":41780745863271,"sku":"N11011","price":49.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/1_dfd4f54f-0eb0-48fd-84b5-4af824cf922e.jpg?v=1774132675","url":"https:\/\/nationalboilerspares.co.uk\/products\/vaillant-diverter-valve-252457","provider":"National Boiler Spares","version":"1.0","type":"link"}