* Gas input ratings are certified for elevations to 2000 ft. For elevations above 2000 ft, reduce ratings 4% for each 1000 ft above sea level. Refer to National
Fuel Gas Code Table F4 or furnace Installation Instructions. In Canada, derate the unit 10% for elevations 2000 to 4500 ft above sea level.
† Capacity in accordance with U.S. Government DOE test procedures.
‡ Airflow shown is for bottom only return-air supply. For air delivery above 1800 CFM, see Air Delivery Table for other options. A filter is required for each
return-air supply. An airflow reduction of up to 7% may occur when using a Carrier 4-5/15 high efficiency media filter.