Description
The Carrier 338985-750 is a factory-specified Replacement Thermostatic Expansion Valve (TXV) Kit designed to restore accurate refrigerant metering in Carrier refrigeration and air conditioning systems. A properly functioning TXV is critical to system efficiency — it regulates the flow of refrigerant into the evaporator coil in direct response to superheat, ensuring optimal heat transfer and protecting the compressor from liquid slugging.
This kit provides technicians with everything needed for a complete, reliable TXV replacement, minimizing system downtime and ensuring a precise, OEM-compatible fit.
Key Features
- OEM Carrier replacement TXV kit for a direct, compatible fit
- Restores precise refrigerant flow and superheat control
- Helps maintain system efficiency and protects compressor integrity
- Designed for straightforward field installation
- Reduces system downtime with a complete kit format
Applications
- Compatible with select Carrier air conditioning and refrigeration systems
- Ideal for service and maintenance replacement of failed or degraded TXV components
Why Replace Your TXV?
A faulty thermostatic expansion valve can cause a wide range of system problems including poor cooling performance, high superheat, frosted evaporator coils, or compressor damage. Replacing with a genuine Carrier-specified TXV kit ensures your system returns to factory performance standards quickly and reliably.







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