5 year guarantee when installed by a G1 Installer (Terms and Conditions apply) Excellent space heating efficiencies of 91.7 - 92.7% Quiet operation Designed with easy front access to the boiler for straightforward servicing and maintenance Manufacturer Stock Code:VTXECO15/21 EAN Code:5060090372574 Width:430 mm Depth:605 mm Height:860 mm Weight:97 kg Sub-Category:Domestic Boiler Colour:White Brand:Grant Warranty:5 Years Max Output DHW:21 kW Energy Efficiency:A Application:Domestic Heat Output:21 kW NOx Emmissions:Class 2 Boiler Model:Vortex Eco Internal Ready for HVO:Yes Output:21 kW Ready for 20% Hydrogen:No Category:Heat Only Energy Rating:A Heating Fuel Type:Oil Includes Magnetic Filter:No