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,...