Comfort-Aire GDD95A Downflow Furnaces User Manual | Page 11 / 12 | Also for: GDD92A Downflow Furnaces, GDD80A Downflow Furnaces, GUH95T Upflow / Horizontal Furnaces, GUH95A Upflow / Horizontal Furnaces, GUH92A Upflow / Horizontal Furnaces, GUH80A Upflow / Horizontal Furnaces