Vaillant ecoTEC Pro 28 Combi Boiler – 0010021837

Built-in two-stage frost protection – To ensure optimal performance all year round Increased speed of hot water delivery – Thanks to Vaillant’s aquaCOMFORT warm start feature Total system solution available from one manufacturer – Intelligent controls and accessories available Dedicated models available for LPG – Giving a solution for off-gas areas Wide modulation range of up to 1:4 – Ensuring low energy consumption and maximum efficiency Compatible with aroTHERM air-to-water heat pump hybrid system – Making the perfect entry into renewable systems Standard 2 year warranty, can be upgraded to a free 7 year warranty when registered through Vaillant Advance