Heil Quaker ICP 1320368 Limit Switch

The Heil Quaker ICP 1320368 Auto Limit Switch is a critical safety component designed for precise thermal regulation in residential furnace systems. Engineered for a 90-110F temperature range, this normally closed (NC) switch acts as a secondary limit, opening the circuit upon a temperature rise to 110?F to prevent overheating and automatically resetting once the ambient temperature drops to 90?F. As a genuine OEM replacement part, it ensures direct compatibility with ICP, Heil, Tempstar, Comfortmaker, and KeepRite equipment, maintaining the original engineering specifications required for safe appliance operation. This automatic reset limit switch is often cross-referenced with older part numbers, including 1320525 and 1149899, making it a versatile solution for service technicians maintaining legacy HVAC blower assemblies. Utilizing an ICP 1320368 ensures that the high-limit safety string remains within manufacturer tolerances, protecting the heat exchanger and blower motor from thermal stress.

Key Benefits

• OEM Precision: Genuine ICP 1320368 factory part ensures exact fitment and calibrated response times.
• Thermal Protection: Prevents system damage by interrupting power when plenum temperatures exceed the 110?F setpoint.
• Broad Compatibility: Replaces multiple legacy part numbers across the Heil Quaker and Snyder General families.
• Automatic Reset: Eliminates the need for manual intervention once the system returns to the 90?F safe operating range.
• HVAC Reliability: Constructed to withstand the high-cycle demands of modern furnace blower compartments.

Common Questions

When should I replace my furnace limit switch?
If the indoor blower runs continuously or the burners fail to ignite due to an open safety circuit, the limit switch may be stuck open or out of calibration. Professional testing of the 110?F trip point is recommended.

Is the ICP 1320368 compatible with other brands?
Yes, this part is the standard replacement for various brands under the International Comfort Products (ICP) umbrella, including Arcaire, Comfortmaker, and Tempstar units requiring a 110-20 shift.

What does the 90-110F designation mean?
This indicates the auto limit switch is calibrated to open (break the circuit) at 110?F and automatically close (re-engage the circuit) once it cools to 90?F.

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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.