



ST9120G2032 | Honeywell Furnace Control Circuit Board
- Regular price
- $355.00
- Sale price
- $355.00
- Regular price
-
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Product Description P/N: ST9120G2032
Description
This Honeywell ST9120G2032 fan control board integrates heating and cooling system control in one unit. It ensures reliable fan management in gas furnaces and HVAC systems requiring precise control of blower operation.
Technical Specifications
Condition | New/Never Used Surplus |
---|---|
Brand | Honeywell |
Category |
HVAC Controls
|
Part Number | ST9120G2032 |
Subcategory | Fan Timer Control Boards |
Dimensions | 8 x 6 x 10 inches |
Series | SmartValley |
Function | Fan timer / HVAC control board |
Application | Gas furnaces / HVAC systems |
Power Supply | Board-powered via furnace transformer |
Mounting Type | Panel mount |
Diagnostic LEDs | Yes |
Control Type | Solid-state fan timer |
Input Voltage | Furnace low-voltage system |
Compatible Thermostat | Standard HVAC (24V) |
Origin | USA |
Discontinued | No (active production) |
Weight | 1.00 lbs |
Information About ST9120G2032
The ST9120G2032 is a fan timer control board manufactured by Honeywell, used in gas furnaces to manage blower timing functions. It belongs to Honeywell’s SmartValley series of integrated furnace control systems and is compatible with a wide range of HVAC units. Designed for residential and light commercial systems, it provides sequencing of heating and cooling functions based on thermostat demand. This board is built for easy installation and long-lasting performance in variable-speed fan environments.
Key Features:
- Integrated Control Logic: Manages heating, cooling, and fan functions in a single control board.
- Precision Timing: Controls blower on/off delays to optimize furnace performance and efficiency.
- Compatibility: Designed to work with a broad range of gas furnace models from various manufacturers.
- Compact Design: Fits in tight control compartments with dimensions of 8 x 6 x 10 inches.
- Easy Wiring: Clearly labeled terminals for simplified connection and serviceability.
- Diagnostic LEDs: Built-in indicators for quick troubleshooting of furnace functions.
- Solid-State Reliability: Utilizes robust electronics for stable operation under variable load conditions.
- Thermostat Integration: Interfaces directly with standard HVAC thermostat inputs.
- UL-Listed Build: Complies with safety and performance standards for HVAC control systems.
- Lightweight: Weighs only 1 pound, reducing strain on mounting surfaces.
The ST9120G2032 delivers the reliability and precision required for advanced residential HVAC fan control applications.
Description
This Honeywell ST9120G2032 fan control board integrates heating and cooling system control in one unit. It ensures reliable fan management in gas furnaces and HVAC systems requiring precise control of blower operation.
Technical Specifications
Condition | New/Never Used Surplus |
---|---|
Brand | Honeywell |
Category |
HVAC Controls
|
Part Number | ST9120G2032 |
Subcategory | Fan Timer Control Boards |
Dimensions | 8 x 6 x 10 inches |
Series | SmartValley |
Function | Fan timer / HVAC control board |
Application | Gas furnaces / HVAC systems |
Power Supply | Board-powered via furnace transformer |
Mounting Type | Panel mount |
Diagnostic LEDs | Yes |
Control Type | Solid-state fan timer |
Input Voltage | Furnace low-voltage system |
Compatible Thermostat | Standard HVAC (24V) |
Origin | USA |
Discontinued | No (active production) |
Weight | 1.00 lbs |
Information About ST9120G2032
The ST9120G2032 is a fan timer control board manufactured by Honeywell, used in gas furnaces to manage blower timing functions. It belongs to Honeywell’s SmartValley series of integrated furnace control systems and is compatible with a wide range of HVAC units. Designed for residential and light commercial systems, it provides sequencing of heating and cooling functions based on thermostat demand. This board is built for easy installation and long-lasting performance in variable-speed fan environments.
Key Features:
- Integrated Control Logic: Manages heating, cooling, and fan functions in a single control board.
- Precision Timing: Controls blower on/off delays to optimize furnace performance and efficiency.
- Compatibility: Designed to work with a broad range of gas furnace models from various manufacturers.
- Compact Design: Fits in tight control compartments with dimensions of 8 x 6 x 10 inches.
- Easy Wiring: Clearly labeled terminals for simplified connection and serviceability.
- Diagnostic LEDs: Built-in indicators for quick troubleshooting of furnace functions.
- Solid-State Reliability: Utilizes robust electronics for stable operation under variable load conditions.
- Thermostat Integration: Interfaces directly with standard HVAC thermostat inputs.
- UL-Listed Build: Complies with safety and performance standards for HVAC control systems.
- Lightweight: Weighs only 1 pound, reducing strain on mounting surfaces.
The ST9120G2032 delivers the reliability and precision required for advanced residential HVAC fan control applications.

