Description
The Trane VAL19943 is an OEM thermostatic expansion valve (TXV) engineered for R-410A refrigerant systems with a 2-ton capacity rating. Designed to deliver precise refrigerant metering and superheat control, this valve helps maintain optimal system efficiency and protects the compressor from liquid slugging.
Product Overview
As a factory-original Trane replacement component, the VAL19943 is built to exact OEM specifications, ensuring a reliable, drop-in fit for compatible Trane air conditioning and heat pump systems. The TXV automatically regulates refrigerant flow in response to changing load conditions, keeping evaporator performance consistent across a wide range of operating environments.
Key Features
- OEM Trane replacement thermostatic expansion valve (TXV)
- Designed for R-410A refrigerant systems
- 2-ton (24,000 BTU/hr) capacity rating
- 3/8″ ODF inlet connection
- 1/2″ ODF outlet connection
- Provides precise superheat control for maximum system efficiency
- Protects compressor from liquid refrigerant slugging
- Direct OEM replacement for compatible Trane equipment
Application
The VAL19943 is intended for use in Trane residential and light commercial split-system air conditioners and heat pumps that utilize R-410A refrigerant. Always verify compatibility with the specific equipment model before installation.
Installation Notes
- Ensure system is properly recovered and evacuated before replacing the TXV
- Use OFN (oxygen-free nitrogen) for leak testing after installation
- Verify and adjust superheat settings after installation per equipment specifications
- Installation should be performed by a licensed HVAC/R technician
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