{"product_id":"viessmann-vitodens-100-wbp-ja-29kw-combi-gas-valve-pre-owned-7837918","title":"Viessmann Vitodens 100 WBP JA 29kW Combi Gas Valve – Pre-Owned | Part No. 7837918","description":"\u003cp\u003eWhen a Viessmann Vitodens 100 boiler experiences ignition faults, unstable combustion, pressure irregularities, or repeated lockout errors, the gas valve is a primary suspect. The \u003cstrong\u003eViessmann 100 WBP JA 29kW Combi Gas Valve (Part No. 7837918)\u003c\/strong\u003e is a tested pre-owned replacement that restores accurate gas flow regulation and stable burner performance, returning your Viessmann boiler to safe, efficient operation.\u003c\/p\u003e\n\n\u003cp\u003eThis is a \u003cstrong\u003epre-owned\u003c\/strong\u003e unit, inspected and tested before dispatch to confirm safe working condition. It provides a direct like-for-like fit for Viessmann Vitodens 100 WB1C 19kW, 26kW Combi and System, and WBP JA 25kW and 29kW Combi models — fitting without modification to existing pipework or controls.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Boiler Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eSeries\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eSerial No.\u003c\/th\u003e\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eGC No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVitodens 100 WB1C\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e19kW System\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7499423\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e41-819-26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVitodens 100 WB1C\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e26kW Combi\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7499425\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e47-819-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVitodens 100 WB1C\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e26kW System\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7499424\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e41-819-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVitodens 100 WBP JA\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e25kW Combi\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7501297\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e47-819-26\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eVitodens 100 WBP JA\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e29kW Combi\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e7501298\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e47-819-27\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\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eViessmann part number 7837918 — direct OEM replacement for Vitodens 100 WB1C and WBP JA series\u003c\/li\u003e\n\u003cli\u003ePre-owned: inspected and tested for correct gas flow control before dispatch\u003c\/li\u003e\n\u003cli\u003eFits Vitodens 100 WB1C (19kW System, 26kW Combi\/System) and WBP JA (25kW\/29kW Combi)\u003c\/li\u003e\n\u003cli\u003eResolves ignition faults, flame instability, pressure irregularities, and lockout errors\u003c\/li\u003e\n\u003cli\u003e6-month warranty included\u003c\/li\u003e\n\u003c\/ul\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. Standard and next-day delivery available at checkout. Returns accepted within \u003cstrong\u003e30 days\u003c\/strong\u003e if unused and in original packaging.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always use a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e for installation.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Pre-Owned","offer_id":47951283749029,"sku":"GAS-1779-A-BC","price":36.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/2-10.jpg?v=1782649604","url":"https:\/\/ephsuppliers.com\/products\/viessmann-vitodens-100-wbp-ja-29kw-combi-gas-valve-pre-owned-7837918","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}