Viessman Vitodens 100 Heat Only 25kW Boiler B1HF – 7959997

The new Vitodens 100-W heat only, hydrogen ready, natural gas boiler is an attractively priced wall mounted gas condensing boiler, ideally suited for existing open vented or sealed systems.
Fitted with the Viessmann patented Matrix Plus Burner and the Inox-Radial heat exchanger made of stainless steel; these are the heart of your heating system.

• Gas condensing heat only boiler for open vent and sealed systems
• output from 3.2 to 25kW
• ERP efficiency 92% (Hs)
• Energy efficiency class: A
• Lambda Pro for exceptional performance, high efficiency and low emissions
• Hydrogen ready (H2 20% blend)
• Compact design for cupboard installation
• Ideal for bungalow application with its low static water head requirement
• Low weight, easy to handle

Delivery Time

Expected delivery 2-3 following order confirmed. If ordered on a weekend the order will not be processed till the Monday.