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

Compact and Reliable Heating with the Goodman GD9S800403AX Gas Furnace

The Goodman GD9S800403AX is a compact, high-efficiency gas furnace built to deliver dependable performance for smaller residential spaces. With an output of 40,000 BTU and 80% AFUE efficiency, this single-stage furnace is designed for comfort, energy savings, and flexibility in installation.

Key Features:

• Single-Stage Gas Valve: Operates at full heating capacity when needed, ensuring straightforward and reliable operation.

• Multi-Speed ECM Blower Motor: Adjusts airflow to improve comfort, reduce energy consumption, and maintain consistent temperatures.

• Aluminized-Steel Tubular Heat Exchanger: Maximizes heat transfer while enhancing durability and system life.

• Self-Diagnostic Control Board: Continuously monitors system performance and simplifies service and maintenance.

• Quiet Operation: Engineered for low-noise performance, creating a more peaceful indoor environment.

• Flexible Installation Options: Supports both downflow and horizontal left/right airflow configurations for versatile installation.

• Heavy-Gauge Steel Cabinet: Finished with a baked enamel coating to protect against rust and external wear.

Specifications:

• Heating Capacity: 40,000 BTU/h

• AFUE Rating: 80%

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

• Blower Motor: Multi-speed ECM

• Airflow Configuration: Downflow or horizontal (left/right)

• 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: 90 lbs

Warranty:

• Lifetime limited warranty on the heat exchanger

• 10-year limited parts warranty with timely online registration

The Goodman GD9S800403AX delivers compact power, quiet operation, and reliable performance—perfect for homeowners looking for an efficient and space-saving heating solution.