40,000 BTU Low NOx Upflow/Horizontal Gas Furnace, Efficiency: 96%, Volts: 115, Hertz: 60, Phase: 1, CFM: 1200, Stage: Single, Speed: Multi, Motor Type: ECM, BTU Input: 80,000, BTU Output: 76,800, Dimensions: 34-1/2''H X 14''W X 28-3/4''D, Weight: 108 lbs ***Propane Conversion Kit: LPM-07, LPM-33 (Not Included)*** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***