The Vaillant EcoFit Pure 825 is a 25kW wall-mounted combi boiler, supplied complete with horizontal flue terminal and Advance boiler protection kit for a ready-to-fit package on site. Delivering 19.1kW central heating output and 25.7kW domestic hot water output, it's built for smaller properties, flats and one to two-bedroom homes with up to 10 radiators and a single bathroom.

The compact 700 x 390 x 295mm footprint makes it a natural fit for cupboard installations and tight utility spaces, while the high-spec aluminium heat exchanger and 4-sided cooling design are engineered for long-term reliability and reduced maintenance callbacks. As a condensing gas boiler with an ErP A energy rating, it offers strong efficiency for the customer's household bills alongside dependable day-to-day performance.

Quiet Mark approved at just 49 dBA, it's well suited to open-plan living spaces where noise is a consideration. Full compatibility with Vaillant's vSMART and other smart heating controls gives homeowners app-based scheduling and remote control over heating and hot water.

Front-facing component access and Vaillant's standard fault code system keep servicing and diagnostics quick, minimising time on site. The boiler carries a 2-year manufacturer guarantee as standard, extendable to a full 10 years when installed and registered by a Gas Safe registered Vaillant Advance installer with the protection kit fitted, giving customers longer-term cover and fewer callbacks for you.