Description
The Trane CNT09313 is an OEM limit control designed to protect heating equipment from unsafe operating temperatures. Rated at 150°F, this TC01-series limit control monitors system temperature and interrupts the circuit when the set-point threshold is exceeded, preventing equipment damage and ensuring safe operation of Trane furnaces and air handlers.
Product Overview
Limit controls are critical safety components in forced-air heating systems. When supply air or heat exchanger temperatures rise beyond the rated limit, the CNT09313 opens the control circuit to shut down the burner or heating element, protecting the heat exchanger, blower components, and downstream ductwork from heat damage. Once temperatures return to a safe range, the control resets to restore normal operation.
Key Features
- OEM Trane replacement limit control — direct factory fit
- 150°F temperature rating for reliable high-limit protection
- TC01 series design for compatibility with select Trane furnace and air handler applications
- Interrupts control circuit on over-temperature condition to shut down heating operation
- Helps prevent heat exchanger damage and potential fire hazards
- Supports automatic or manual reset depending on system configuration
Application
- Designed as a direct OEM replacement for Trane heating systems
- Suitable for residential and light commercial furnace and air handler applications
- Verify compatibility with your specific Trane model before installation
Why Choose OEM Trane Parts?
Using genuine Trane replacement components ensures proper fit, reliable performance, and maintains equipment warranty integrity. The CNT09313 is engineered to Trane’s exact specifications, giving technicians confidence in every installation.







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