Description
The Trane VAL19274 is an OEM thermostatic expansion valve (TXV) engineered specifically for 3-ton R-410A refrigerant systems. Designed to deliver precise refrigerant metering, this TXV maintains optimal superheat levels across a wide range of operating conditions, protecting the compressor and maximizing system efficiency.
Why Choose the Trane VAL19274 TXV?
As a genuine Trane replacement part, the VAL19274 is built to exact factory specifications, ensuring a reliable, drop-in fit for compatible Trane equipment. Proper refrigerant flow control is critical to system performance — a correctly functioning TXV prevents liquid refrigerant flood-back, reduces compressor wear, and keeps energy consumption in check.
Key Features
- OEM Trane replacement thermostatic expansion valve
- Designed for 3-ton R-410A refrigerant systems
- Maintains precise superheat control for compressor protection
- Optimizes refrigerant metering across varying load conditions
- Drop-in replacement engineered to Trane factory specifications
- Supports peak system efficiency and extended equipment life
Applications
- Compatible with Trane 3-ton R-410A split system air conditioners and heat pumps
- Ideal for residential and light commercial HVAC replacement and service applications
Important Notes
Always verify compatibility with your specific Trane equipment model before installation. Proper TXV installation and refrigerant charging should be performed by a licensed HVAC technician in accordance with local codes and manufacturer guidelines.







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