Trane CNT1031 Limit
Professional-grade Trane CNT1031 Limit switch is a Single Pole Double Throw (SPDT) thermal safety control designed for precise HVAC temperature regulation. This OEM replacement part is essential for maintaining system integrity by monitoring supply plenum temperatures and preventing heat exchanger damage. In a standard setup, the switch is normally closed, providing a consistent signal to the burner circuit. If internal temperatures reach the 150°F opening setpoint, the Trane temperature limit triggers a circuit break to immediately cease the heating cycle. Once the system cools to the 110°F closing setpoint, the automatic reset limit switch restores the circuit, allowing for safe equipment operation without the need for manual intervention.
For veteran technicians, the CNT1031 is a drop-in solution featuring standard spade terminal connections for fast field installations. Using genuine Trane HVAC parts ensures that the current-carrying capacity and response times match the original factory specifications, avoiding the nuisance tripping or delayed reset issues often found with universal alternatives. This high-limit switch is compatible with a wide range of Trane and American Standard furnaces and air handlers, providing 115V or 24V control depending on the specific board configuration.
Key Benefits- Automatic Reset Logic: Eliminates service calls for manual resets by automatically re-engaging the circuit at 110°F.
- OEM Precision: Guaranteed 150°F trip point ensures critical protection against heat exchanger stress and overheating.
- Versatile SPDT Configuration: Provides flexible wiring options for both heating and additional cooling or diagnostic fan signals.
- Robust Build: Engineered for the high-cycle environments of residential and light-commercial air handlers.
Is the CNT1031 an automatic or manual reset switch?
This is an automatic reset limit switch. It will open the circuit at 150°F and automatically close it once the temperature drops back down to 110°F.
What causes a Trane limit switch to trip repeatedly?
Frequent tripping usually indicates restricted airflow, such as a dirty air filter, a failing blower motor, or blocked ductwork, which causes the plenum to reach the 150°F limit.
Can I use this for both 24V and 120V circuits?
Yes, the Trane CNT1031 is rated for standard HVAC control voltages, but always verify current draw against the 12-amp rating in 115V applications.
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.
Original: $143.83
-65%$143.83
$50.34Trane CNT1031 Limit
Professional-grade Trane CNT1031 Limit switch is a Single Pole Double Throw (SPDT) thermal safety control designed for precise HVAC temperature regulation. This OEM replacement part is essential for maintaining system integrity by monitoring supply plenum temperatures and preventing heat exchanger damage. In a standard setup, the switch is normally closed, providing a consistent signal to the burner circuit. If internal temperatures reach the 150°F opening setpoint, the Trane temperature limit triggers a circuit break to immediately cease the heating cycle. Once the system cools to the 110°F closing setpoint, the automatic reset limit switch restores the circuit, allowing for safe equipment operation without the need for manual intervention.
For veteran technicians, the CNT1031 is a drop-in solution featuring standard spade terminal connections for fast field installations. Using genuine Trane HVAC parts ensures that the current-carrying capacity and response times match the original factory specifications, avoiding the nuisance tripping or delayed reset issues often found with universal alternatives. This high-limit switch is compatible with a wide range of Trane and American Standard furnaces and air handlers, providing 115V or 24V control depending on the specific board configuration.
Key Benefits- Automatic Reset Logic: Eliminates service calls for manual resets by automatically re-engaging the circuit at 110°F.
- OEM Precision: Guaranteed 150°F trip point ensures critical protection against heat exchanger stress and overheating.
- Versatile SPDT Configuration: Provides flexible wiring options for both heating and additional cooling or diagnostic fan signals.
- Robust Build: Engineered for the high-cycle environments of residential and light-commercial air handlers.
Is the CNT1031 an automatic or manual reset switch?
This is an automatic reset limit switch. It will open the circuit at 150°F and automatically close it once the temperature drops back down to 110°F.
What causes a Trane limit switch to trip repeatedly?
Frequent tripping usually indicates restricted airflow, such as a dirty air filter, a failing blower motor, or blocked ductwork, which causes the plenum to reach the 150°F limit.
Can I use this for both 24V and 120V circuits?
Yes, the Trane CNT1031 is rated for standard HVAC control voltages, but always verify current draw against the 12-amp rating in 115V applications.
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.
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Description
Professional-grade Trane CNT1031 Limit switch is a Single Pole Double Throw (SPDT) thermal safety control designed for precise HVAC temperature regulation. This OEM replacement part is essential for maintaining system integrity by monitoring supply plenum temperatures and preventing heat exchanger damage. In a standard setup, the switch is normally closed, providing a consistent signal to the burner circuit. If internal temperatures reach the 150°F opening setpoint, the Trane temperature limit triggers a circuit break to immediately cease the heating cycle. Once the system cools to the 110°F closing setpoint, the automatic reset limit switch restores the circuit, allowing for safe equipment operation without the need for manual intervention.
For veteran technicians, the CNT1031 is a drop-in solution featuring standard spade terminal connections for fast field installations. Using genuine Trane HVAC parts ensures that the current-carrying capacity and response times match the original factory specifications, avoiding the nuisance tripping or delayed reset issues often found with universal alternatives. This high-limit switch is compatible with a wide range of Trane and American Standard furnaces and air handlers, providing 115V or 24V control depending on the specific board configuration.
Key Benefits- Automatic Reset Logic: Eliminates service calls for manual resets by automatically re-engaging the circuit at 110°F.
- OEM Precision: Guaranteed 150°F trip point ensures critical protection against heat exchanger stress and overheating.
- Versatile SPDT Configuration: Provides flexible wiring options for both heating and additional cooling or diagnostic fan signals.
- Robust Build: Engineered for the high-cycle environments of residential and light-commercial air handlers.
Is the CNT1031 an automatic or manual reset switch?
This is an automatic reset limit switch. It will open the circuit at 150°F and automatically close it once the temperature drops back down to 110°F.
What causes a Trane limit switch to trip repeatedly?
Frequent tripping usually indicates restricted airflow, such as a dirty air filter, a failing blower motor, or blocked ductwork, which causes the plenum to reach the 150°F limit.
Can I use this for both 24V and 120V circuits?
Yes, the Trane CNT1031 is rated for standard HVAC control voltages, but always verify current draw against the 12-amp rating in 115V applications.
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.
