Product Type Suspended Infrared Tube Heater Fuel Type Propane Heating Capacity Input 50 000 BtuH Radiant Tube Length 20 ft Floor Coverage @ Minimum Mounting Height 20 ft x 20 ft Heating Method Radiant Overall Height 8 1/2 in Overall Width 18 1/8 in Overall Depth 21 5/8 ft Element Type Radiant Pipe Thermostat Included No Amperage 4.8 A Heater Voltage 120 V AC Heat Output 50 000 BtuH Ignition Type Hot-Surface Fuel Consumption 0.55 gph Frequency 60 Hz Gas Connection Size 1/2 in