Goodman 80% AFUE Gas Furnace Nine Speed ECM, Two Stage, Upflow/Horizontal, 80000 BTUH

Reliable Two-Stage Performance with the Goodman GR9T800804BN Gas Furnace

The Goodman GR9T800804BN is an 80,000 BTU, 80% AFUE two-stage gas furnace engineered to deliver quiet, efficient heating for mid- to large-sized homes. With a 21-inch cabinet width, this unit accommodates higher airflow needs and fits a variety of installation scenarios.

Key Features:

Two-stage gas valve operates primarily in low-stage for quieter performance and better energy efficiency, switching to high-stage only when needed

9-speed ECM blower motor dynamically adjusts airflow for consistent temperature and improved energy savings

Aluminized steel tubular heat exchanger provides excellent heat transfer and corrosion resistance

Insulated, heavy-gauge steel cabinet minimizes sound and prevents air leakage

Self-diagnostic control board offers real-time system monitoring and error code display for easy troubleshooting

Compatible with upflow and horizontal airflow installations for flexible placement

Larger 21-inch cabinet allows for improved air handling in systems with greater demand

Specifications:

Heating capacity 80,000 BTU/h

AFUE 80%

Fuel type Natural Gas (convertible to LP with optional kit)

Blower motor 9-speed ECM

Airflow configuration Upflow or horizontal

Cabinet width 21 inches

Dimensions (W x D x H) 21 x 28 x 33.38 inches

Voltage 115 V, 1 Phase, 60 Hz

Minimum circuit ampacity 9.8 A

Maximum overcurrent protection 15 A

Approximate weight 120 lbs

Warranty:

Lifetime limited warranty on the heat exchanger

10-year limited parts warranty with online registration

The Goodman GR9T800804BN combines dependable two-stage heating with smart airflow technology and a wider cabinet, making it a solid solution for larger ducted systems requiring efficient, quiet, and long-lasting performance.