40,000 BTU Single-Stage Constant Torque ECM Motor Condensing Natural Gas Furnace, Volts:115, Hertz:60, Phase:1, Airflow:Downflow, CFM:800, Efficiency:96.00, Flue:2", Input/Output BTU:40,000/38,800, Plenum Dims:16-1/4" X 19-1/2", Dims:34"H X 17-1/2"W X 28-3/4"D, Weight:122 Lbs, In Mfg Box, Made In USA **Approved Nat To LP Conversion Kit:BAYLPSS400B(Not Included)**