Stack size - 7"; Discharge hose - 3/8" x 40'; Length - 30", Width - 23", Height - 40"; Flow output (gpm) - 2.2; Pressure rating (psi) 1000; Maximum operating temperature - 175; Heat rise degrees Fahrenheit - 125; Motor horsepower - 1.5; Input btu - 175,000; Consumption (gph) - 0.75; Burner fuel capacity (gallons) - 7.5; Electrical requirements: Volt -115, Amp -15, Phase -1; Uses 0 - 15 degree #4 tip