Ducane™ Constant Torque Gas Furnace, Model: 96G1E, Input BTU Rating: 45000 Btu/hr, Output BTU Rating: 42000 Btu/hr, 120 VAC, 6.8 A, 88 to 1035 cfm, 96 % AFUE Rating, 1 ph Phase, 60 Hz, 1 Stages, Down Flow, 1/2 in Connection, 16 in H x 17-1/2 in W x 16-3/8 in D Cabinet, High Efficiency Blower Motor, Vent, Ducted or Ductless: Vent, 15 A Fuse Rating, Tonnage: 3 ton, 40 VA Transformer, Smooth Ignition, Steel, Finish: Aluminum, 30 to 60 deg F Temperature Rise