



624790-A | Nordyne 1170-300 Furnace Control Circuit Board
- Regular price
- $299.00
- Sale price
- $299.00
- Regular price
-
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Product Description P/N: 624790-A
Description
The 624790-A is an OEM furnace control board designed for Intertherm/Nordyne heating systems. It regulates ignition, fan operation, and safety monitoring to ensure efficient and reliable furnace performance.
Technical Specifications
Condition | New/Never Used Surplus |
---|---|
Brand | Nordyne |
Category |
Controls & Indicators
|
Part Number | 624790-A |
Subcategory | CPU/Control Board |
Function | Furnace control/CPU board |
Compatibility | G7 series gas furnaces; models MGC2TA060–100 |
Supported Furnace Type | 80% upflow/horizontal non-condensing |
Control Stages | Two-stage |
Inputs Monitored | Sensors and safety switches |
Outputs Managed | Ignition, gas valve, blower |
Diagnostics | Built-in fault detection |
Dimensions | Standard OEM board form factor |
Installation Difficulty | Medium – technician-level recommended |
Weight | ~1 lb (0.45 kg) |
Information About 624790-A
The 624790-A is a factory-original CPU/control board manufactured by Nordyne for Intertherm and related brands. It replaces previous part numbers like 624790 and 920916, and is used in G7-series and other compatible gas furnaces. Designed for mid-range heating systems, it ensures seamless control of ignition, blower, safety switches, and diagnostic functions under varying temperature conditions. As an OEM part, it meets the same quality and compatibility standards as the original installed component. It’s commonly installed during repairs or maintenance to restore proper furnace operation.
Key Features:
- OEM Quality: Genuine Intertherm/Nordyne board ensures full compatibility.
- Multi-Stage Control: Supports two-stage furnaces (G7 series) for smoother operation.
- Built-In Diagnostics: Monitors sensors and safety switches to quickly detect faults.
- Voltage Coordination: Sends precise voltage to ignition, gas valve, and blower components.
- Reliable OEM Warranty: Covered by standard warranties up to 2 years.
- Easy Installation: Direct bolt-in replacement for models using P/N 624790, 920916, or 1170‑83‑3001.
- Durable Build: High-quality components designed to withstand electrical load and temperature.
- Widely Compatible: Suitable for many Nordyne, Miller, and Maytag-branded furnaces.
- Repairable Options: Available as new, surplus, or refurbished depending on distributor.
- Lightweight Unit: Weighs approximately 1 lb (0.45 kg), ideal for quick swaps.
The 624790-A delivers the reliability and precision required for safe and consistent furnace control.
Description
The 624790-A is an OEM furnace control board designed for Intertherm/Nordyne heating systems. It regulates ignition, fan operation, and safety monitoring to ensure efficient and reliable furnace performance.
Technical Specifications
Condition | New/Never Used Surplus |
---|---|
Brand | Nordyne |
Category |
Controls & Indicators
|
Part Number | 624790-A |
Subcategory | CPU/Control Board |
Function | Furnace control/CPU board |
Compatibility | G7 series gas furnaces; models MGC2TA060–100 |
Supported Furnace Type | 80% upflow/horizontal non-condensing |
Control Stages | Two-stage |
Inputs Monitored | Sensors and safety switches |
Outputs Managed | Ignition, gas valve, blower |
Diagnostics | Built-in fault detection |
Dimensions | Standard OEM board form factor |
Installation Difficulty | Medium – technician-level recommended |
Weight | ~1 lb (0.45 kg) |
Information About 624790-A
The 624790-A is a factory-original CPU/control board manufactured by Nordyne for Intertherm and related brands. It replaces previous part numbers like 624790 and 920916, and is used in G7-series and other compatible gas furnaces. Designed for mid-range heating systems, it ensures seamless control of ignition, blower, safety switches, and diagnostic functions under varying temperature conditions. As an OEM part, it meets the same quality and compatibility standards as the original installed component. It’s commonly installed during repairs or maintenance to restore proper furnace operation.
Key Features:
- OEM Quality: Genuine Intertherm/Nordyne board ensures full compatibility.
- Multi-Stage Control: Supports two-stage furnaces (G7 series) for smoother operation.
- Built-In Diagnostics: Monitors sensors and safety switches to quickly detect faults.
- Voltage Coordination: Sends precise voltage to ignition, gas valve, and blower components.
- Reliable OEM Warranty: Covered by standard warranties up to 2 years.
- Easy Installation: Direct bolt-in replacement for models using P/N 624790, 920916, or 1170‑83‑3001.
- Durable Build: High-quality components designed to withstand electrical load and temperature.
- Widely Compatible: Suitable for many Nordyne, Miller, and Maytag-branded furnaces.
- Repairable Options: Available as new, surplus, or refurbished depending on distributor.
- Lightweight Unit: Weighs approximately 1 lb (0.45 kg), ideal for quick swaps.
The 624790-A delivers the reliability and precision required for safe and consistent furnace control.

