80,000 BTU Downflow/Horizontal Communicating Natural Gas Furnace, Efficiency: 80, Volts: 115, Hertz: 60, Phase: 1, CFM: 1200, Stage: 2, Speed: Variable, Motor Type: ECM, BTU Input: 80,000, BTU Output: 63,000, Dimensions: 40"H x 171/2"W x 28"D, Plenum Opening Dimensions: 16" x 191/2", Weight: 105 lbs, Made in USA, In Mfg Box, Propane Conversion Kit: BAYLPKT210B (Not Included)