Gas Wall and Ceiling Unit Heater Gas Type NG Combustion Type Field Convertible Fan Type Propeller BtuH Input 150 000 BtuH Output 143 000 2 661 cfm Air Flow 17.6 A Full Load Amps Gas Connection 1/2 in Flue Dia 2 in O.C. Mounting 38 in Height 18 3/4 in Width 54 13/16 in Depth 41 in Indoor Air Discharge Height 15 7/8 in Indoor Air Discharge Width 26 in Heater Voltage 115 V AC 60 Hz Air Temp Rise 50 Degrees F Ignition System Direct Spark