Amana-Goodman 10123531 Limit Switch

The Amana-Goodman 10123531 Limit Switch is a critical OEM safety component designed for high-temperature monitoring in residential gas furnaces and HVAC systems. This 325F manual reset limit switch features a durable metal housing and a secure terminal block connection, ensuring reliable electrical continuity and simplified installation for field technicians. Engineered to break the 24V circuit if internal temperatures exceed the 325-degree threshold, it prevents heat exchanger damage and hazardous operating conditions. As a direct Amana-Goodman replacement part, this component ensures strict adherence to original equipment cabinet specifications and airflow requirements. It serves as a drop-in replacement for legacy part numbers 101235-31, 10123504, and 10123512. Utilizing genuine HVAC furnace safety switches like the 10123531 maintains the integrity of the system's safety circuit while reducing troubleshooting time during high-limit trip calls. This factory-tested switch is precision-calibrated for high-limit protection in Goodman, Amana, and Janitrol air handlers and furnaces.

Key Benefits

• Precision Calibration: Factory-set at 325°F M/R for accurate thermal protection and failure prevention.
• OEM Compatibility: Designed specifically for Amana and Goodman equipment, ensuring perfect fitment and proper terminal alignment.
• Manual Reset Functionality: Requires technician intervention after a high-limit event, allowing for essential system diagnosis of airflow or combustion issues.
• Robust Construction: Features a high-grade metal housing for enhanced thermal conductivity and long-term durability in high-heat environments.
• Broad Interchangeability: Replaces multiple previous versions, including 101235-31 and 10123512, reducing service truck inventory requirements.

Common Questions

What causes a 325F manual reset limit switch to trip?
A trip usually indicates restricted airflow due to a dirty filter, failing blower motor, or obstructed ductwork causing the heat exchanger to exceed safe operating limits.

Can I replace this with a switch that has a different temperature rating?
No. For safety and proper furnace operation, you must use the 10123531 or an identical 325F rated switch as specified by the manufacturer's data plate.

How do I test the continuity on this Goodman limit switch?
Using a multimeter set to Ohms, check for continuity across the terminals while the switch is cool. A tripped manual reset switch will show an open circuit until the reset button is depressed.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.