The Glow-worm Energy 25C combi boiler is an ErP compliant, A-rated boiler designed for smaller properties like flats and houses with 1-2 bedrooms and 1 bathroom. It features a high-efficiency aluminium heat exchanger for quiet operation and durability. This compact boiler fits easily into kitchen cupboards, offering a modern design with a bright LCD interface. It boasts a central heating output of 25 kW and a hot water flow rate of 10.4 litres/min. The boiler is compatible with Glow-worm's flue and control ranges and comes with a 7-year manufacturer warranty, which can be extended to 10 years when registered through Club Energy and fitted with a Glow-worm power filter.