{"product_id":"vaillant-ecotec-plus-824-diverter-valve-refurbished-178978","title":"Vaillant ecoTEC Plus 824 Diverter Valve – Refurbished | Part No. 178978","description":"\u003cp\u003eHeating working but no hot water — or hot water but no heating — in a Vaillant ecoTEC boiler almost always points to a failed diverter valve. The diverter valve is responsible for switching hydraulic flow between the central heating circuit and the domestic hot water heat exchanger. When it sticks or seizes, the boiler cannot serve both functions on demand. The \u003cstrong\u003eVaillant ecoTEC Plus 824 Diverter Valve (Part No. 178978)\u003c\/strong\u003e is the correct OEM-specification replacement for the ecoTEC Plus 824, 831, and 837 VUW series, as well as the ecoTEC Pro range, restoring accurate 2-way flow switching and full boiler functionality.\u003c\/p\u003e\n\n\u003cp\u003eThis is a professionally refurbished genuine Vaillant component. Each valve is stripped, cleaned, inspected, and function-tested against original manufacturer specifications before dispatch — providing reliable hydraulic control at a significantly lower cost than a new valve. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Boiler Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eModel \/ Variant\u003c\/th\u003e\n\u003cth\u003eGC No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e824 VUW 246\/3-5\u003c\/td\u003e\n\u003ctd\u003e47-044-31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e824 VUW 246\/3-5 R1\u003c\/td\u003e\n\u003ctd\u003e47-044-31 R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e824 VUW 246\/3-5 R2\u003c\/td\u003e\n\u003ctd\u003e47-044-31 R2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e831 VUW 316\/3-5\u003c\/td\u003e\n\u003ctd\u003e47-044-32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e831 VUW 316\/3-5 R1\u003c\/td\u003e\n\u003ctd\u003e47-044-32 R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e831 VUW 316\/3-5 R3\u003c\/td\u003e\n\u003ctd\u003e47-044-32 R3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e831 VUW 316\/3-5 R5\u003c\/td\u003e\n\u003ctd\u003e47-044-32 R5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e837 VUW 376\/3-5 R1\u003c\/td\u003e\n\u003ctd\u003e47-044-33 R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Plus\u003c\/td\u003e\n\u003ctd\u003e837 VUW 376\/3-5 R3\u003c\/td\u003e\n\u003ctd\u003e47-044-33 R3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e47-044-49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e47-044-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e34\u003c\/td\u003e\n\u003ctd\u003e47-044-51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003ctd\u003e47-044-52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e47-044-53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eecoTEC Pro\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e47-044-54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Tested. Function-Verified. Backed by Warranty.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery refurbished Vaillant diverter valve in our range is inspected and function-tested to original manufacturer standards before dispatch. This 178978 valve restores accurate hydraulic switching between CH and DHW circuits, eliminating single-mode faults across the ecoTEC Plus and Pro ranges. Supplied with a full \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDelivery \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOrders placed before \u003cstrong\u003e1:00 PM\u003c\/strong\u003e are dispatched the same working day. Returns accepted within \u003cstrong\u003e30 days\u003c\/strong\u003e in original condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm part number \u003cstrong\u003e178978\u003c\/strong\u003e matches your existing valve before ordering. Installation must be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Refurbished","offer_id":47990751002789,"sku":"DIV-1292-A-BC","price":40.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/Diverter-Valve-for-Vaillant-178978.webp?v=1783480211","url":"https:\/\/ephsuppliers.com\/products\/vaillant-ecotec-plus-824-diverter-valve-refurbished-178978","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}