Description
The Trane CNT09318 is an OEM control limit device engineered to protect Trane HVAC systems from unsafe operating temperatures. Set at a 110°F threshold, this limit control monitors system temperature and interrupts operation when that set point is reached, preventing equipment damage and ensuring safe, reliable performance.
Key Features
- OEM Trane replacement part for precise fit and compatibility
- Fixed 110°F limit set point for consistent, reliable protection
- Interrupts system operation upon reaching the temperature threshold to prevent overheating damage
- Designed for use in Trane heating and cooling equipment
- Durable construction built to Trane’s OEM quality standards
Application
The CNT09318 control limit is a critical safety component in Trane HVAC systems. When the monitored temperature reaches 110°F, the control limit opens the circuit, shutting down the system to protect heat exchangers, motors, and other sensitive components from thermal damage. It is an essential part of any properly functioning Trane system and should be replaced with a genuine OEM part to maintain system integrity and warranty compliance.
Specifications
- Brand: Trane
- Part Number: CNT09318
- Type: Control Limit
- Temperature Set Point: 110°F
- Application: Trane HVAC Systems







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