Description
The Trane CNT07731 is an OEM high pressure switch engineered to protect refrigeration and HVAC systems from dangerous over-pressure conditions. Designed as a direct replacement for Trane equipment, this switch features a 650 PSI cut-out (open) pressure and a 550 PSI cut-in (close) pressure, providing reliable high-side circuit protection and helping prevent compressor and system damage.
Key Features
- OEM Trane replacement high pressure switch
- Cut-out (open) pressure: 650 PSI
- Cut-in (close) pressure: 550 PSI
- Designed for high-side refrigerant circuit protection
- Helps safeguard compressors and system components from over-pressure damage
- Direct OEM replacement for compatible Trane equipment
- Durable construction for long-lasting, dependable performance
Application
The CNT07731 high pressure switch is intended for use in Trane commercial and residential HVAC systems where high-side pressure monitoring is required. When refrigerant pressure exceeds the cut-out threshold of 650 PSI, the switch opens to interrupt the circuit and protect the system. The switch automatically resets at 550 PSI, restoring normal operation once safe pressure levels are achieved.
Why Choose OEM Trane Parts?
- Ensures compatibility and proper fit with Trane equipment
- Maintains system reliability and warranty compliance
- Engineered to Trane’s exact specifications
- Reduces risk of callbacks and repeat service visits







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