Qingzhou Yongsheng Machinery Co.,Ltd is one of the professional China automatic oil fired air heater manufacturers and suppliers,Website:://.qzys-exhaustfan.com, welcome to wholesale low price diesel air heater, automatic gas air heater from our factory.FEATURESWorld famous brand Italy RIELLO combustor, combustion efficiency is 98%-100%, environment friendly and energy saving.Adopt digital temperature controller, easy and accurate.Full stainless steel combustor and heat exchanger.Double air inlet and double air outlet design.Special energy-saving three pass design.Unique entire thermal insulation design, decrease thermal loss lowestTECHNICAL PARAMETER Item Rated heat output Air flow Area Pump Tem. Chimney Tem. Oil Gas Liquid Gas Voltage Power Dimensions(mm)ModelKal/hKwM³/hM2℃℃L/hNm³/hNm³/hVKwLWHFSH-55*10460400030050-80120-1904.95.852.27380/2200.614008501370FSH-1010*104120800060050-80120-1909.811.74.54380/2201.016009001400FSH-2020*10423016000120050-80120-19019.623.49.1380/2201.2170010001500