Gas Wall and Ceiling Unit Heater Gas Type NG Combustion Type Field Convertible Fan Type Blower BtuH Input 175 000 BtuH Output 145 250 2 067 cfm Air Flow 14.2 A Full Load Amps Gas Connection 1/2 in Flue Dia 5 in O.C. Mounting 30 5/8 in Height 33 3/4 in Width 37 1/4 in Depth 56 1/8 in Indoor Air Discharge Height 24 1/2 in Indoor Air Discharge Width 30 3/4 in Heater Voltage 115 V AC 60 Hz Air Temp Rise 65 Degrees F Installation Height 8 to 15 ft Ignition System Direct Spark