... 2.Heating/hot water 3.EU technology efficiency 90% 4.Exported to Russia,Ukraine,Armenia,Iran,Italy Wall-Mounted Gas Boiler Series: ... , high quality components with CE certificates, high efficiency combustion 2. Supply both heating and sanitary hot water3. Easy operation , ... B(H)JLG20-B(H) Gas typeNATURAL GASRated gas pressure (Pa)/2000Nominal heat input (kW)35282420Rated hot water productivity (L/min) ...