Nominal heat output, kW: 5.0Maximal thermal output, kW: - space heating output 9.0- water heating output Efficiency: 79%Dimensions LxBxH, mm: 470 x 400 x 780Combustion chamber LxBxH, mm: 346 х 258 х 284 Boiler capacity, l: Net weight, kg: 75Color: blackLining: Modifications: BEFORE PURCHASING THIS PRODUCT, PLEASE...