40,000 BTU Goodman GR9S800403AX 80% Efficiency, Multi-speed ECM, Up-flow Multi-position Gas Furnace Heater hidden The unit's state-of-the-art design and

The unit's state-of-the-art design and construction provide a quiet environment

48-hour clock/calendar battery backup

For 4' PVC vent pipe

The package also includes a whistle free flex line

Model Number: WOF-Carbon

40,000 BTU Goodman GR9S800403AX 80% Efficiency, Multi-speed ECM, Up-flow Multi-position Gas Furnace Heater hidden The unit's state-of-the-art design andGoodman gas furnaces simply work the way they are supposed to, making each one a thing of beauty. Single Stage, Multi Speed ECM, Multi Position Gas Furnace 80% AFUE The Goodman brand GR9S80 GD9S80 is loaded with features designed to provide outstanding performance for years to come. We use advanced techniques and materials so you know the cozy, even heat you feel in every corner of your home is an energy efficient warming trend that is designed to