Goodman 80% AFUE Gas Furnace Multi Speed ECM, Two Stage, Upflow/Horizontal, 40000 BTUH/H

Efficient Two-Stage Heating in a Compact Footprint – Goodman GR9T800403AX Gas Furnace

The Goodman GR9T800403AX is a 40,000 BTU, 80% AFUE gas furnace that offers advanced two-stage heating in a space-saving 14-inch cabinet. Designed for smaller residential applications, it delivers enhanced comfort, energy savings, and reliable performance.

Key Features:

Two-stage gas valve allows the furnace to operate at a lower capacity during milder conditions and full capacity during colder weather

9-speed ECM blower motor provides better airflow control and energy efficiency

Aluminized steel tubular heat exchanger ensures strong heat transfer and long-lasting durability

Compact 14-inch cabinet fits tight installation spaces such as closets or utility rooms

Quiet operation with insulated cabinet design to reduce sound levels

Self-diagnostic control board simplifies maintenance and system monitoring

Compatible with both downflow and horizontal airflow configurations for flexible installation

Specifications:

Heating capacity 40,000 BTU/h

AFUE 80%

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

Blower motor 9-speed ECM

Airflow configuration Downflow or horizontal

Cabinet width 14 inches

Dimensions (W x D x H) 14 x 28 x 33.38 inches

Voltage 115 V, 1 Phase, 60 Hz

Minimum circuit ampacity 7.7 A

Maximum overcurrent protection 15 A

Approximate weight 105 lbs

Warranty:

Lifetime limited warranty on the heat exchanger

10-year limited parts warranty with online registration

The Goodman GR9T800403AX is the perfect choice for homeowners looking for powerful, quiet, and efficient heating performance in a compact two-stage furnace.