ARMSTRONG AIR® Gas Furnace, Model: A962V, Input BTU Rating: 45000 Btu/hr, Output BTU Rating: 42000 Btu/hr, 120 VAC, 12.8 A, 495 to 963 cfm, 96 % AFUE Rating, 1 ph Phase, 60 Hz, 2 Stages, Horizontal/Up Flow, 1/2 in Connection, 16 in H x 17-1/2 in W x 16-3/8 in D Cabinet, ECM Blower Motor, Vent, Ducted or Ductless: Vent, 15 A Fuse Rating, Tonnage: 3 ton, 40 VA Transformer, Stainless Steel, 20 to 50 deg F Temperature Rise