The Heil Quaker ICP 1065294 is a precision-engineered automatic reset limit switch designed for critical high-temperature monitoring within HVAC air handlers and furnaces. Featuring a fixed temperature range of 110-140°F, this thermal safety switch acts as a fail-safe mechanism, disrupting the electrical circuit to the burner or heating elements should the plenum temperatures exceed safe operating parameters. As a genuine ICP replacement part, it ensures seamless integration with existing control boards and wiring harnesses. This Heil Quaker furnace limit switch is essential for maintaining proper airflow temperature control and preventing heat exchanger damage. Technicians favor this OEM component for its calibrated response time and durability against thermal cycling. When diagnosing furnace overheating or frequent limit switch tripping, verifying the snap-action contact integrity of this specific 1065294 limit control is a standard protocol for restoring system reliability and safety.

Item is Non Cancelable / Non Returnable

• OEM Calibration: Fixed temperature settings (110°F to 140°F) ensure strict adherence to manufacturer safety specifications.
• Automatic Reset: Eliminates the need for manual intervention once temperatures return to a safe operating range.
• High Compatibility: Direct replacement for several ICP furnace parts across Heil, Quaker, Comfortmaker, and Tempstar brands.
• Reliable Construction: Built to withstand the harsh environment of a high-temperature plenum without drift in setpoints.

Common Questions

How do I know if my furnace limit switch is bad?
A faulty limit switch often causes the indoor blower fan to run continuously or prevents the burners from igniting. If the switch remains open despite a cool plenum, the ICP 1065294 likely requires replacement.

Can I use a switch with a different temperature rating?
No. Using a switch with a higher or lower rating than the 110-140°F specification can lead to dangerous operating conditions or nuisance tripping. Always match the OEM limit switch temperature settings.

What causes this limit switch to trip frequently?
Frequent tripping is usually indicative of restricted airflow, often caused by a dirty air filter, blocked return vents, or a failing blower motor, rather than a defect in the switch itself.

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.