System Boilers

The Viessmann Vitodens 050-W B0HA 25kW System Gas Boiler is a condensing system boiler for small to medium homes with up to 10 radiators and 1-2 bathrooms, requiring a hot water cylinder. It provides a 25kW central heating output and a 92% seasonal efficiency rating (ErP A-rated). Measuring 700x400x300mm and weighing 33kg, it’s cupboard-friendly with no side clearance required. It features the Inox-Radial stainless steel heat exchanger, the MatriX-Cylinder burner for low emissions, and integrated WiFi for ViCare app control. Quiet Mark approved, it supports natural gas or LPG and includes a backlit LCD with a 1:8 modulation ratio for efficient operation. It offers a 7-year warranty, extendable to 10 years with a Viessmann-accredited installer, ideal for cost-conscious homes with moderate hot water needs.

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