Vent Type Counter Flow Fuel Type Propane Heating Method Fan Forced Convection Heating Capacity Input 50 000 BtuH Heating Capacity Output 40 000 BtuH Heating Area 1 250 sq ft Ignition Type Standing Pilot Ignition Power Source Electric Air Flow 350 cfm Overall Height 81 in Overall Width 14 1/8 in Overall Depth 10 1/4 in Mounting Location Wall Mounting Type Semi-Recessed Surface Thermostat Included No Venting Vented Wall Type Single For Use Indoors/Outdoors Indoor Only