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

Two-Stage Comfort in a Compact Design — Goodman GD9T800403AX Gas Furnace

The Goodman GD9T800403AX is a 40,000 BTU, 80% AFUE gas furnace that offers enhanced temperature control with two-stage heating performance. Designed for smaller homes or zones, this model blends energy efficiency with quiet operation and long-term reliability, all in a compact 14-inch cabinet.

Key Features:

• Two-Stage Gas Valve: Operates at a lower capacity most of the time for improved comfort and efficiency, with full capacity available for colder days.

• 40,000 BTU Heating Output: Perfect for smaller spaces or well-insulated homes requiring reliable, consistent warmth.

• Aluminized Steel Tubular Heat Exchanger: Promotes long-lasting performance and efficient heat transfer.

• Multi-Speed ECM Blower Motor: Adjusts airflow based on system demand, reducing energy use and improving indoor comfort.

• Quiet Operation: Cabinet insulation and smooth motor operation help reduce noise levels throughout your home.

• Self-Diagnostic Control Board: Provides real-time performance monitoring and simplifies service and maintenance.

• Compact Cabinet: 14-inch width allows for installations in tighter spaces without sacrificing performance.

• Versatile Configuration: Supports downflow or horizontal left/right airflow options for greater installation flexibility.

• Durable Construction: Heavy-gauge steel cabinet with baked enamel finish for resistance against rust and wear.

Specifications:

• Heating Capacity: 40,000 BTU/h

• AFUE: 80%

• Fuel Type: Natural Gas (convertible to LP with optional kit)

• Blower Motor: Multi-speed ECM

• Airflow Configuration: Downflow or horizontal

• Cabinet Width: 14 inches

• Dimensions (W x D x H): 14” x 28” x 33.38”

• Voltage: 115 V, 1 Phase, 60 Hz

• Minimum Circuit Ampacity: 7.7 A

• Maximum Overcurrent Protection: 15 A

• Approximate Weight: 95 lbs

Warranty:

• Lifetime limited warranty on the heat exchanger

• 10-year limited parts warranty with online registration

The Goodman GD9T800403AX is the perfect choice for homeowners who want improved comfort control, efficient operation, and quiet performance in a compact, two-stage furnace package.