Gas Wall and Ceiling Unit Heater Gas Type NG Combustion Type Field Convertible Fan Type Propeller BtuH Input 50 000 BtuH Output 48 600 790 cfm Air Flow 10.8 A Full Load Amps Gas Connection 1/2 in Flue Dia 2 in O.C. Mounting 28 in Height 13 5/8 in Width 42 13/16 in Depth 32 5/8 in Indoor Air Discharge Height 10 1/8 in Indoor Air Discharge Width 15 in Heater Voltage 115 V AC 60 Hz Air Temp Rise 57 Degrees F Ignition System Direct Spark