Gas Fired Unit Heater; Type Propeller Unit, Separated Combustion, High Efficiency Condensing; Voltage Rating 115 Volt (Motor); Power Rating 3/4 HP (Motor); Number of Phases 1; Capacity 260000 BTU/Hour (Input), 241800 BTU/Hour (Output); Heating Element Tubular Aluminized Steel Heat Exchanger; Fan/Motor Type 3/4 HP 1125 RPM Totally Enclosed PSC Motor; Air Flow Rate 4585 CFM at 70 Deg F; Material 20 Gauge Aluminized Steel; Finish Polyester Powder Painted; Color Gray-Green; Size 42.53 Inch Width x 34.83 Inch Depth x 31.31 Inch Height; Application Commercial; Approval UL, CSA B149.1, ETL (Canada and US); Gas Type Liquid Propane; Maximum Mounting Height 20 Foot; Condensate Production 1.9 Gallon per Hour; Thermal Efficiency 93 to 97 Percent; Air Temperature Rise 49 Deg F; Outlet Velocity 831 FPM; Combustion Air Inlet Pipe Size 4 Inch; Vent Outlet Pipe Size 4 Inch; Gas Connection 3/4 Inch; Fan Diameter 24 Inch; Applicable Standard ANSI Z83.8