Rheem® Gas Furnace, Classic Plus Series, R801T Model, 75000 Btu/hr Input BTU Rating, 115 VAC Voltage Rating, 6.2 A Amperage Rating, 1402 cfm Rating, 1/2 hp HP Rating, 80 % AFUE Rating, 1 ph Phase, 60 Hz Frequency Rating, Upflow/Horizontal Configuration, Connection Type: 1/2 in NPT, Natural Gas, Liquid Propane Gas Fuel Type, 5 Number of Speeds, 11 in Dia x 7 in W Blower Size, 17-1/2 in W x 28.8 in D x 34 in H Cabinet Dimensions, ECM Motor Type, 2.5 to 4 ton Tonnage, Direct Spark Ignition Ignition Type, Gray, 25 to 55 deg F Temperature Rise