Whether you're looking for a combination, system or open vent (heat only) boiler, you'll find the perfect product to suit your heating and hot water needs within the Vaillant ecoTEC range of condensing boilers. As Europe's number one heating technology manufacturer, all Vaillant systems are built to offer performance, high efficiency and quality. Vaillant is also the favourite brand of many installers due to its ease of installation, reliability and outstanding aftercare service. Another good reason to choose a Vaillant boiler is that the company is now offering even longer guarantees on its models when installed by a Vaillant Advance installer. This means you can get a 5-year warranty on the entry level ecoTEC Pro combi boiler range and 7 years on the flagship ecoTEC Plus combi, system and open vent boilers. View the full range of Vaillant ecoTEC boilers, flues and accessories available from stock at Mr Central Heating.