100,000/65,000 BTU 2-Stage ECM Variable Speed IQ Drive Communicating Natural Gas Furnace, Volts:115, Hertz:60, Phase:1, Airflow:Downflow, Flue:4", Efficiency:80.0 , Ignition:Hot Surface, Gas Connection:3/4", Input BTU:100,000/65,000, BTU Output:80,000/52,000, Plenum Dims:19-3/8"W X 19"D, Dims:34-1/2"H X 21"W X 28"D, Weight:125 Lbs, Origin:USA. Compatible With IQ Drive Communicating Units LP Conversion Kit Number:904914(Not Included)