{"product_id":"viessmann-vitodens-100-wb1a-gas-valve-pre-owned-7823840","title":"Viessmann Vitodens 100 WB1A Gas Valve VK4115V – Refurbished | Part No. 7823840","description":"\u003cp\u003eIgnition failure, unstable flame, or boiler lockout in a Viessmann Vitodens 100 WB1A boiler are commonly linked to a failing gas valve. This critical component regulates gas flow to the burner — when it deteriorates, safe and consistent combustion can no longer be maintained. The \u003cstrong\u003eViessmann Vitodens 100 WB1A Gas Valve VK4115V (Part No. 7823840)\u003c\/strong\u003e is the pre-owned direct replacement for the WB1A Heat Only, Combi, and System boiler range, restoring precise gas regulation and reliable heating performance.\u003c\/p\u003e\n\n\u003cp\u003eThis pre-owned unit is sourced from a functioning boiler and quality-checked by our experienced engineering team before dispatch. Minor cosmetic marks may be present, but all functional performance is confirmed. Supplied with a full \u003cstrong\u003e6-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\u003eModel\u003c\/th\u003e\n\u003cth\u003eSerial No.\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\u003eVitodens 100 WB1A 18kW Heat Only\u003c\/td\u003e\n\u003ctd\u003e7179920\u003c\/td\u003e\n\u003ctd\u003e41-819-12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitodens 100 WB1A 24kW Combi\u003c\/td\u003e\n\u003ctd\u003e7179917\u003c\/td\u003e\n\u003ctd\u003e47-819-04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitodens 100 WB1A 24kW Heat Only\u003c\/td\u003e\n\u003ctd\u003e7179919\u003c\/td\u003e\n\u003ctd\u003e41-819-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitodens 100 WB1A 24kW System\u003c\/td\u003e\n\u003ctd\u003e7179918\u003c\/td\u003e\n\u003ctd\u003e41-819-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVitodens 100-W WB1A 30kW Combi\u003c\/td\u003e\n\u003ctd\u003e7179916\u003c\/td\u003e\n\u003ctd\u003e47-819-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuality-Checked. Reliable. 6-Month Warranty.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery pre-owned Viessmann gas valve we supply is quality-checked by our experienced engineering team, confirming correct gas regulation and safe combustion performance before dispatch. Supplied with a full \u003cstrong\u003e6-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 (Mon–Fri)\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 in original unused condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Please confirm that part number \u003cstrong\u003e7823840\u003c\/strong\u003e matches your existing gas valve and check your boiler's serial and GC number before ordering. Installation must be carried out by a \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e to ensure safety compliance and warranty validity.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Refurbished","offer_id":47951293120677,"sku":"GAS-1254-A-BC","price":31.86,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/1690\/8453\/files\/Frame295.png?v=1782978399","url":"https:\/\/ephsuppliers.com\/products\/viessmann-vitodens-100-wb1a-gas-valve-pre-owned-7823840","provider":"Elite Plumbing \u0026 Heating Suppliers Ltd","version":"1.0","type":"link"}