Rheem® Residential Gas Furnace, ACHIEVER Series, 75000 Btu/hr Input BTU Rating, 60000 Btu/hr Output BTU Rating, 115 V Voltage Rating, 1200 cfm Rating, 1 hp HP Rating, 80 % AFUE Rating, 1 ph Phase, 60 Hz Frequency Rating, 1 Number of Stages, Downflow Configuration, Connection Type: NPT, 1/2 in Connection, Liquid Propane, Natural Gas Fuel Type, 5 Number of Speeds, 11 in Dia x 10 in H Blower Size, 21 x 19-27/32 x 20-1/8 in Cabinet Dimensions, ECM Motor Type, Vent Vent, Ducted or Ductless, 6 in Vent Size, 20 A Fuse Rating, 3.5 to 5 ton Tonnage, 40 VA Transformer Rating, Direct Spark Ignition Type, Steel, Aluminized, 25 to 55 deg F Temperature Rise