A 35kW combi boiler from Viessmann — installed in a single day by Gas Safe registered engineers.

The Viessmann Vitodens 100-W 35kW is designed to work quietly, efficiently, and reliably — for years to come.
No surprise add-ons. Your quote covers everything needed for a complete installation that meets all gas safety regulations, carried out by Gas Safe registered engineers.
Price and installation time varies depending on your installation requirements. Answer a few quick questions to get your exact fixed price.
Get your free quoteThe Viessmann Vitodens 100-W 35kW is a high-performance combi boiler featuring integrated WiFi connectivity, a touchscreen LCD display and Viessmann’s Matrix-Plus burner technology. Combined with the stainless steel Inox-Radial heat exchanger, it is designed to deliver efficient and dependable long-term performance.
Lambda Pro combustion control, integrated ViCare app connectivity and quiet operation give the Vitodens 100-W 35kW a noticeably more premium feel than standard combi boilers.
Spread the cost of your new boiler over monthly payments that fit your budget. Available through iDeal4Finance — apply in minutes.
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