Description
The Trane VAL2372 is an OEM thermostatic expansion valve (TXV) engineered for reliable refrigerant metering in R-22 residential and light commercial cooling systems. Designed for 3-ton capacity applications, this valve features a 3/8″ inlet connection and a 1/2″ outlet connection, paired with a 5-foot capillary tube for flexible bulb placement during installation.
As a direct Trane OEM replacement, the VAL2372 ensures precise superheat control at the evaporator, optimizing system efficiency and protecting the compressor from liquid slugging. Its factory-calibrated design eliminates the guesswork of field adjustments, making it a trusted choice for HVAC technicians servicing Trane equipment.
Key Features
- OEM Trane replacement thermostatic expansion valve
- Designed for R-22 refrigerant systems
- Rated for 3-ton (36,000 BTU/hr) capacity
- 3/8″ inlet x 1/2″ outlet connection sizes
- 5-foot capillary tube for flexible sensing bulb placement
- Factory-calibrated for precise superheat control
- Protects compressor from liquid refrigerant slugging
- Direct OEM fit for compatible Trane systems
Application
The VAL2372 is intended for use in Trane R-22 split-system air conditioners and heat pumps rated at 3 tons. Always verify compatibility with the specific equipment model before installation. Proper installation and system evacuation procedures should be followed per Trane service guidelines and local codes.







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