Gas Wall and Ceiling Unit Heater, Gas Type NG, Combustion Type Field Convertible, Fan Type Propeller, BtuH Input 100,000, BtuH Output 83,000, 1,600 cfm Air Flow, 6.4 A Full Load Amps, Gas Connection 1/2 in, Flue Dia. 5 in, O.C. Mounting 18 5/8 in,...