Heil Quaker ICP 34335000 Limit Switch
The Heil Quaker ICP 34335000 Limit Switch is a critical safety component designed for precise thermal regulation in International Comfort Products (ICP) furnace and air handling units. Engineering specifications define this as an L160-20F auto limit switch, meaning the thermal disc is calibrated to open the circuit at a 160?F high-limit set point and automatically reset when temperatures drop to 140?F. This OEM replacement part (also referenced as HQ34335000TD) is essential for preventing heat exchanger damage and ensuring the blower motor manages residual heat effectively during the shutdown cycle. Whether you are troubleshooting a furnace short cycling issue or addressing an "open limit" error code on the control board, installing a genuine 34335000 switch ensures the system adheres to original manufacturer safety parameters. Its compact disc-style mounting is compatible with a wide range of Heil, Tempstar, and Comfortmaker models, including the C8MPN100F14A1 and GDE125J20A1 series.
Key Benefits for Technicians:
- Precise Thermal Calibration: Reliable 140-160F temperature range prevents nuisance tripping while maintaining strict cabinet safety.
- Automatic Reset Logic: The auto reset mechanism eliminates the need for manual intervention after the system cools, restoring normal operation once airflow issues are cleared.
- Broad ICP Compatibility: Direct fit for multiple brands under the ICP umbrella, including Heil Quaker, Tempstar, and Arcoaire.
- Enhanced Equipment Lifespan: Protects the heat exchanger from overheating caused by restricted airflow or blower failure.
Common Questions:
What causes this limit switch to trip repeatedly?
While a faulty switch is possible, most trips are symptoms of restricted airflow. Verify that the air filters are clean, the evaporator coil isn't impacted, and all supply and return vents are unobstructed before replacing the 34335000 limit switch.
How do I test if the ICP 34335000 is defective?
Using a multimeter, check for continuity across the terminals at room temperature. As a normally closed (NC) switch, it should show 0 ohms. If the circuit is open at room temperature, the internal thermal disc has failed and requires immediate replacement.
Can I use a higher temperature limit switch as a substitute?
No. HVAC safety circuits are engineered for specific thermal tolerances. Using a switch with a higher cut-out than 160?F risks cracking the heat exchanger or creating fire hazards. Always match the OEM L160-20F rating.
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.
Heil Quaker ICP 34335000 Limit Switch
The Heil Quaker ICP 34335000 Limit Switch is a critical safety component designed for precise thermal regulation in International Comfort Products (ICP) furnace and air handling units. Engineering specifications define this as an L160-20F auto limit switch, meaning the thermal disc is calibrated to open the circuit at a 160?F high-limit set point and automatically reset when temperatures drop to 140?F. This OEM replacement part (also referenced as HQ34335000TD) is essential for preventing heat exchanger damage and ensuring the blower motor manages residual heat effectively during the shutdown cycle. Whether you are troubleshooting a furnace short cycling issue or addressing an "open limit" error code on the control board, installing a genuine 34335000 switch ensures the system adheres to original manufacturer safety parameters. Its compact disc-style mounting is compatible with a wide range of Heil, Tempstar, and Comfortmaker models, including the C8MPN100F14A1 and GDE125J20A1 series.
Key Benefits for Technicians:
- Precise Thermal Calibration: Reliable 140-160F temperature range prevents nuisance tripping while maintaining strict cabinet safety.
- Automatic Reset Logic: The auto reset mechanism eliminates the need for manual intervention after the system cools, restoring normal operation once airflow issues are cleared.
- Broad ICP Compatibility: Direct fit for multiple brands under the ICP umbrella, including Heil Quaker, Tempstar, and Arcoaire.
- Enhanced Equipment Lifespan: Protects the heat exchanger from overheating caused by restricted airflow or blower failure.
Common Questions:
What causes this limit switch to trip repeatedly?
While a faulty switch is possible, most trips are symptoms of restricted airflow. Verify that the air filters are clean, the evaporator coil isn't impacted, and all supply and return vents are unobstructed before replacing the 34335000 limit switch.
How do I test if the ICP 34335000 is defective?
Using a multimeter, check for continuity across the terminals at room temperature. As a normally closed (NC) switch, it should show 0 ohms. If the circuit is open at room temperature, the internal thermal disc has failed and requires immediate replacement.
Can I use a higher temperature limit switch as a substitute?
No. HVAC safety circuits are engineered for specific thermal tolerances. Using a switch with a higher cut-out than 160?F risks cracking the heat exchanger or creating fire hazards. Always match the OEM L160-20F rating.
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.
Product Information
Product Information
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Description
The Heil Quaker ICP 34335000 Limit Switch is a critical safety component designed for precise thermal regulation in International Comfort Products (ICP) furnace and air handling units. Engineering specifications define this as an L160-20F auto limit switch, meaning the thermal disc is calibrated to open the circuit at a 160?F high-limit set point and automatically reset when temperatures drop to 140?F. This OEM replacement part (also referenced as HQ34335000TD) is essential for preventing heat exchanger damage and ensuring the blower motor manages residual heat effectively during the shutdown cycle. Whether you are troubleshooting a furnace short cycling issue or addressing an "open limit" error code on the control board, installing a genuine 34335000 switch ensures the system adheres to original manufacturer safety parameters. Its compact disc-style mounting is compatible with a wide range of Heil, Tempstar, and Comfortmaker models, including the C8MPN100F14A1 and GDE125J20A1 series.
Key Benefits for Technicians:
- Precise Thermal Calibration: Reliable 140-160F temperature range prevents nuisance tripping while maintaining strict cabinet safety.
- Automatic Reset Logic: The auto reset mechanism eliminates the need for manual intervention after the system cools, restoring normal operation once airflow issues are cleared.
- Broad ICP Compatibility: Direct fit for multiple brands under the ICP umbrella, including Heil Quaker, Tempstar, and Arcoaire.
- Enhanced Equipment Lifespan: Protects the heat exchanger from overheating caused by restricted airflow or blower failure.
Common Questions:
What causes this limit switch to trip repeatedly?
While a faulty switch is possible, most trips are symptoms of restricted airflow. Verify that the air filters are clean, the evaporator coil isn't impacted, and all supply and return vents are unobstructed before replacing the 34335000 limit switch.
How do I test if the ICP 34335000 is defective?
Using a multimeter, check for continuity across the terminals at room temperature. As a normally closed (NC) switch, it should show 0 ohms. If the circuit is open at room temperature, the internal thermal disc has failed and requires immediate replacement.
Can I use a higher temperature limit switch as a substitute?
No. HVAC safety circuits are engineered for specific thermal tolerances. Using a switch with a higher cut-out than 160?F risks cracking the heat exchanger or creating fire hazards. Always match the OEM L160-20F rating.
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.
