* Gas input ratings are certified for elevations to 2000 ft. For elevations above 2000 ft, reduce ratings 4 percent 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 percent for elevations 2000 ft to 4500 ft above sea level.
† Capacity and AFUE 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.
ICS — Isolated Combustion System
Performance data
UNIT SIZE
DIRECT-DRIVE MOTOR
Hp (PSC)
MOTOR FULL LOAD AMPS
RPM (Nominal) — SPEEDS
BLOWER WHEEL DIAMETER X WIDTHS (In.)
WASHABLE 16 x 25 x 1-in. FILTER — QTY
WASHABLE 20 x 25 x 1-in. FILTER — QTY
PSC — Permanent Split Capacitor
UNIT SIZE
CAPACITY *
AFUE % * Nonweatherized ICS
* Capacity and AFUE in accordance with U.S. Government DOE test procedures.