Goodman® Gas Furnace, Model: GR9S80, 40000 Btu/hr Input BTU Rating, 32000 Btu/hr Output BTU Rating, 115 V, 7.7 A, 1200 cfm Rating, 1/2 hp Rating, 80 % AFUE, 1 ph, 60 Hz, 1 Stage, Horizontal/Upflow Configuration, FPT Connection Type, 1/2 in Connection, Natural Gas, 2 Burners, 9 Speed, 10 x 6 in Blower Size, 33-3/8 in H x 14 in W x 28 in D Cabinet Dimensions, ECM Motor, 1075 rpm Rotational Speed, Vent, Ducted or Ductless, 4 in Vent Size, 15 A Fuse, 40 VA Transformer, Hot Surface Ignition, Steel, Baked Enamel, 25 to 55 deg F Rise, Domestic