Rheem® Gas Furnace, Classic Series, 75000 Btu/hr Input BTU Rating, 60000 Btu/hr Output BTU Rating, 115 V Voltage Rating, 12 A Amperage Rating, 1025 cfm Rating, 3/4 hp HP Rating, 0.8 % AFUE Rating, 22 kW Wattage, 1 ph Phase, 60 Hz Frequency Rating, 1 Number of Stages, Downflow Zero Clearance Configuration, Connection Type: NPT, 1/2 in Connection, Electric Fuel Type, 11 in D x 7 in W Blower Size, 34 in H x 17.5 in W x 29.59 in D Cabinet Dimensions, Variable Speed ECM Motor Type, 4 ton Tonnage, Direct Spark Ignition Type, 0.05 kPa, 25 to 55 deg F Temperature Rise