Description
The CNT1034 is an OEM Trane / American Standard furnace limit switch — a safety device used in HVAC systems to monitor internal temperatures and shut down the system if conditions exceed safe operating limits. It is commonly found in gas furnaces and heat systems to protect against overheating.
Key Features
- Temperature Rating: 160 °F (approx. 71 °C) — opens to interrupt operation at high temperature to prevent overheating.
- Auto Reset: Resets automatically once the temperature drops below the threshold, allowing normal operation to resume.
- SPST Normally Closed (N/C): Standard safety switch configuration used to break the circuit when triggered.
- OEM Quality: Genuine Trane replacement part, ensuring compatibility and reliable performance with original equipment.
- Compact & Lightweight: Small form factor fits securely into furnace control compartments.
- Widely Compatible: Used in many Trane and American Standard HVAC units that require a 160 °F limit safety control.






