Heil Quaker ICP 1320549 Limit Switch

Maintain the safety and operational integrity of residential gas furnaces with the Heil Quaker ICP 1320549 Limit Switch. This genuine OEM ICP replacement part is a critical safety component designed to monitor heat exchanger temperatures and prevent hazardous overheating conditions. Engineered with a fixed 215-240F temperature range, this auto reset limit switch automatically interrupts the burner circuit if internal plenum temperatures exceed safe operating limits, effectively protecting the heat exchanger from thermal stress and potential failure.

As a veteran-preferred HVAC furnace safety switch, the 1320549 features a 3-inch insertion depth for accurate thermal sensing within the airflow path. It is a direct fit for a wide range of International Comfort Products (ICP) brands, including Heil, Quaker, Tempstar, Comfortmaker, Arcoaire, and Day & Night. This furnace high limit control ensures seamless compatibility with specific GCK, GDK, and NCGM series air handlers, restoring the factory-specified safety sequence without the need for field modifications or bracket adjustments.

• Factory-Calibrated Precision: Operates within a strict 215-240F furnace temperature limit to ensure the system shuts down before high-limit excursions cause damage.
• Automatic Reset Functionality: Features an auto-reset thermal disc that restores the circuit once temperatures return to a safe differential, reducing nuisance lockouts.
• Broad OEM Compatibility: Serves as the primary Heil Quaker limit switch replacement for numerous ICP-manufactured brands and models.
• Contractor-Grade Durability: Built to withstand the high-cycle demands of modern high-efficiency gas furnaces.

How do I know if my ICP limit switch is tripped?
A tripped 1320549 limit switch typically presents as a furnace blower running constantly while the burners fail to ignite. This is a common safety symptom indicating the control has opened the circuit due to high internal heat.

What causes this limit switch to fail or trip frequently?
Frequent cycling is often caused by restricted airflow. Technicians should inspect for a dirty air filter, blocked return air ducts, or a failing blower motor before replacing the limit control.

Can I use this for other HVAC brands?
This part is specifically engineered for International Comfort Products. Always verify the part number against your model?s bill of materials to ensure the temperature settings and insertion depth match your specific furnace configuration.

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.