The Vaillant ecoTEC Pro 24 Combi Boiler uses a natural gas fuel supply and is perfect for 1-3 bedroom properties with a single bathroom and is typically popular for installation in small to medium sized houses, flats and bungalows. Vaillant's ecoTEC Pro range of combi boilers offers some of the best value boilers on the market, offering renowned quality at the best possible price. The Pro 24 combi boiler is also fully compliant with the latest ErP regulations, so you can rest assured that you are getting one of the most efficient and reliable boilers around. The Vaillant Pro 24 combi boiler is able to supply the central heating and hot water by heating the mains water supply, negating the need for a hot water cylinder or cold water feed tank, thus saving space and installation time, and providing hot water on demand.

• Highly efficient and economical to run. With up to an 89.3 Percent efficiency rating SAP 2011