Description
The Trane CNT03672 is an OEM temperature limit control designed to protect Trane heating and HVAC systems from unsafe operating temperatures. By continuously monitoring system heat levels, this limit control automatically interrupts operation when temperatures exceed safe thresholds — preventing equipment damage, extending system life, and safeguarding building occupants.
Key Features
- OEM Trane replacement part — engineered for precise fit and function
- Monitors system temperatures and triggers a safety shutoff at preset limits
- Helps prevent heat exchanger damage and overheating-related failures
- Supports reliable, consistent furnace and air handler operation
- Direct replacement for compatible Trane equipment — no modifications required
- Built to Trane’s quality and durability standards
Why Use an OEM Limit Control?
Using a genuine Trane temperature limit control ensures your system operates within manufacturer-specified safety parameters. Aftermarket substitutes may not provide the same calibration accuracy or reliability. The CNT03672 is the correct replacement to maintain system integrity and warranty compliance on applicable Trane equipment.
Applications
- Compatible with select Trane furnaces and heating systems
- Ideal for HVAC technicians performing preventive maintenance or emergency repairs
- Suitable for residential and light commercial Trane installations
Installation Notes
Always verify compatibility with your specific Trane model before installation. Disconnect all power to the unit prior to servicing. Consult the equipment’s service manual or a qualified HVAC technician for proper installation procedures.







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