Rheem® Standard Gas Furnace, R801CA Series, Classic® Model, 125000 Btu/hr Input BTU Rating, 100000 Btu/hr Output BTU Rating, 115 V Voltage Rating, 11 A Amperage Rating, 1934 cfm Rating, 3/4 hp HP Rating, 80 % AFUE Rating, 37 kW Wattage, 1 ph Phase, 60 Hz Frequency Rating, 1 Number of Stages, 3-Way Multi-Position, Horizontal, Upflow Configuration, Connection Type: NPT, 1/2 in Connection, Liquid Propane, Natural Gas Fuel Type, 5 Number of Speeds, 10 mm W x 11 mm D Blower Size, 34 in H x 24-1/2 in W Cabinet Dimensions, CTEC Motor Type, Vent Vent, Ducted or Ductless, 6 in Vent Size, 15 A Fuse Rating, 5 ton Tonnage, PlusOne® Ignition System, Direct Spark Ignition Type, 0.9 kPa, Steel, 35 to 65 deg F Temperature Rise