Lemax high powerful steel floor gas boilers of the CLEVER L series are THE FIRST powerful heating water boilers with an atmospheric burner of a wide range of power modulation (50/60 / 70kW -150 / 180 / 200kW) of Russian origin. Floor-mounting equipment was designed for use in heating systems operating with forced circulation, it demonstrates high efficiency with a minimum ratio of coolant to the area and mass of the heat exchanger.