Vent Type Direct Counter Flow, Fuel Type Natural Gas, Heating Method Fan Forced Convection, Heating Capacity Input 60,000 BtuH, Heating Capacity Output 42,500 BtuH, Heating Area 1,650 sq ft, Ignition Type Standing Pilot, Ignition Power Source Electric, Air Flow 440 cfm, Overall Height 87 in, Overall Width 14 1/8 in, Overall Depth 11 3/4 in, Mounting Location Wall, Mounting Type Semi-Recessed, Thermostat Included No, Venting Vented, Wall Type Single, For Use Indoors/Outdoors Indoor Only