Goodman GM9S92 Furnace Instruction Manual
Goodman GM9S92 Furnace
Goodman GM9S92 Furnace
Goodman GM9S92 Furnace
Goodman GM9S92 Furnace Instructions
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Goodman GM9S92 Furnace Specifications
| Feature | Specification |
|---|---|
| Heating Input (High Fire) | 40,000 – 120,000 BTU/h |
| Heating Output (High Fire) | 36,840 – 110,520 BTU/h |
| AFUE Rating | Up to 92% |
| Temperature Rise Range | 25-65°F (varies by model) |
| Vent Diameter | 2" - 3" PVC (combustion air & flue outlet) |
| Number of Burners | 2 to 6 (varies by model) |
| Circulator Blower Horsepower | 1/2 to 1 HP @ 1075 RPM (Multi-speed ECM) |
| Circulator Blower Speeds | 9 speeds |
| Minimum Recommended Filter Size | (1) 16x25 (side) or (1) 14x25 (bottom) – other sizes apply to larger models |
| Min. Circuit Ampacity | 10.3 – 16.9 A |
| Max. Overcurrent Device | 15 – 20 A |
| Electrical Supply | 115 VAC, 60 Hz, single-phase |
| Gas Service Connection | ½" FPT |
| Shipping Weight | 106 – 154 lbs (varies by model) |
| NOx Emissions Standard | California 40 ng/J Low NOx compliant |
| Certifications | AHRI Certified; ETL Listed |
Goodman GM9S92 Furnace Details
The Goodman GM9S92 Furnace boasts a robust construction designed for long-lasting performance. It incorporates a heavy-duty aluminized-steel tubular heat exchanger for efficient heat transfer and a stainless-steel secondary heat exchanger to maximize efficiency by extracting additional heat. The furnace is equipped with a single-stage gas valve and a durable Silicon Nitride igniter for reliable ignition. Air circulation is managed by a multi-speed ECM blower motor, while a quiet single-speed induced draft blower ensures proper combustion and venting.
This model features a self-diagnostic control board that simplifies troubleshooting and maintenance by providing error codes. All GM9S92 models meet the California 40 ng/J Low NOx emissions standard, ensuring environmental compliance. The unit is AHRI Certified and ETL Listed, confirming its adherence to industry performance and safety standards. Its design allows for versatile multi-position installation, supporting upflow, horizontal left, or horizontal right configurations to suit various home layouts.
The GM9S92 furnace offers flexible venting options, certified for both direct vent (two-pipe) and non-direct vent (one-pipe) applications. Upflow models specifically can utilize easy-to-install top venting, with an optional side venting capability for added convenience. For ease of installation and service, the furnace provides convenient left or right side connections for both gas and electrical service, allowing installers to adapt to specific site requirements efficiently.
Designed with cabinet integrity in mind, the GM9S92 features a heavy-gauge steel cabinet with a durable finish that protects internal components. It boasts a low cabinet air leakage rate of ≤ 2% (QLeak), contributing to overall system efficiency. The heat exchanger cabinet is foil-faced and insulated, which helps contain heat and reduce operational noise. The furnace also includes an airtight solid bottom or side return with easy-cut tabs, simplifying the removal process for bottom air-inlet applications.
For fuel flexibility, the GM9S92 furnace can be field-converted to operate on LP (liquid propane) gas with the use of an appropriate conversion kit. The control board includes a 40 VA transformer, which is essential for proper operation with most cooling equipment. Safety is paramount, with built-in features such as a blower door interlock switch that interrupts power when the blower door is open, preventing accidental operation during servicing.
Beyond the core components, the furnace is equipped with several crucial safety circuits, including a Primary Limit that monitors heat exchanger temperatures, Auxiliary Limits for blower compartment temperature, and Rollout Limits to detect issues with burner flames. Pressure Switches ensure adequate airflow for combustion and proper condensate drainage, while a Flame Sensor confirms the presence of a stable flame. These integrated systems work in concert to ensure — safe and efficient operation.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Goodman GM9S92 Furnace, and we answer them below.



