Amana-Goodman 10250809 Limit Switch

The Amana-Goodman 10250809 Limit Switch is a critical safety component designed for high-performance HVAC systems. This L220-40F Plenum Limit Switch acts as a primary thermal protection device, engineered to open the electrical circuit if the internal plenum temperature exceeds 220°F and automatically reset once the temperature drops by 40°F. As a genuine OEM Goodman replacement part, it ensures precise calibration for maintaining furnace integrity and preventing heat exchanger damage. This fixed-point temperature limit is compatible with various Amana and Goodman gas furnaces, providing a reliable response to airflow restrictions or blower motor failures. For technicians performing furnace limit switch troubleshooting, this component offers a direct-fit solution that meets exact manufacturer specifications for thermal cutoff performance and long-term durability in high-cycle environments.

• Automatic Reset Functionality: Restores circuit continuity once the system cools to 180°F, reducing unnecessary service calls for temporary over-temp events.
• Precise Thermal Calibration: Factory-set at 220°F to ensure high-limit protection without premature tripping.
• Direct OEM Compatibility: Ensures seamless integration with existing wiring harnesses and mounting footprints in Amana and Goodman furnaces.
• Industrial-Grade Construction: Built to withstand the thermal stresses of residential and light commercial plenum environments.

What causes a plenum limit switch like the 10250809 to trip?
Tripping is typically caused by restricted airflow, often due to a clogged air filter, a failing blower motor, or obstructed ductwork causing heat buildup.

Is the 10250809 switch interchangeable with other temperature ratings?
No. You should always replace a limit switch with the exact L220-40F rating specified by the manufacturer to ensure the safety parameters of the heat exchanger are not compromised.

How do I verify if my 10250809 limit switch is faulty?
A veteran technician will check for continuity across the terminals when the system is cool; if the switch remains open at room temperature, it requires replacement.

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.