Vaillant Ecotech 620 System Boiler with Horizontal Flue & 15mm Scale Reducer

The Vaillant ecoTEC Plus 620 System Boiler is a premium 20kW system gas boiler designed for homes with sealed heating systems and a separate unvented hot water cylinder. Featuring Vaillant's latest condensing technology, intelligent combustion management, and a modern semi-touch interface, it delivers reliable heating performance while helping reduce energy consumption and running costs. Designed with both installers and homeowners in mind, the ecoTEC Plus 620 offers a familiar installation footprint, simplified servicing, and compatibility with Vaillant's complete range of heating controls, accessories, and renewable technologies. Key Features 20kW system gas boiler Fuel Type: Natural...