Gas Wall and Ceiling UnitHeater, Gas Type NG, Combustion Type Field Convertib...Gas Wall and Ceiling Unit Heater, Gas Type NG, Combustion Type Field Convertible, Fan Type Propeller, BtuH Input 400,000, BtuH Output 332,000, 5,800 cfm Air Flow, 13.8 A Full Load Amps, Gas Connection 3/4 in, Flue Dia. 6 in, O.C. Mounting 48 5/8 in,...more