WeatherKing® Gas Furnace, W801C Series, 115 VAC Voltage Rating, 11 A Amperage Rating, 1934 cfm Rating, 3/4 hp HP Rating, 37 kw Wattage, 1 ph Phase, 60 Hz Frequency Rating, Horizontal, Upflow Configuration, Connection Type: NPT, 1/2 in Connection, Natural, Propane Gas Fuel Type, 5 Number of Speeds, 10 in W x 11 in D Blower Size, Constant Torque ECM Motor Type, Vented Vent, Ducted or Ductless, 6 in Vent Size, 3.5 to 5 ton Tonnage, 40 VA Transformer Rating, Direct Spark Ignition Type, 0.07 kPa, Steel, Aluminized