ERP (Energy Efficiency)YYears Guaranteed12Width400mmTypeGas Combi BoilerMount TypeWall MountedIncludesBoiler OnlyHeight700mmHeat Output BTU100000-199999Heat Output35 kWFuel TypeNatural GasDepth360mmDHW Output35DHW Flow Rate at 35 Degree Rise17 l/minBoiler TypeCombiBTU/h109188Supplier Part NumberB1KG-35Range Description100-WBrand NameViessmann