Description
The Trane VAL12342 is a factory-engineered thermostatic expansion valve (TXV) designed for use with R410A refrigerant in 6-ton HVAC applications. Featuring a bleed-type design with a size-15 orifice, this valve provides accurate refrigerant metering to maintain optimal superheat levels and system efficiency across a wide range of operating conditions.
Key Features
- Designed specifically for R410A refrigerant systems
- 6-ton capacity rating for commercial and residential applications
- Bleed-type valve design allows limited refrigerant flow during the off cycle, helping to equalize pressure and support reliable compressor starts
- Size-15 orifice for precise refrigerant metering and superheat control
- Genuine Trane OEM replacement part for direct fit and compatibility
- Engineered to maintain system efficiency and protect compressor integrity
What Is a Bleed-Type TXV?
A bleed-type thermostatic expansion valve incorporates a small bypass port that allows a controlled amount of refrigerant to pass through during the off cycle. This pressure-equalization feature reduces the load on the compressor at startup, extending equipment life and improving overall system reliability — particularly in systems without a hard-start kit.
Application
- Compatible refrigerant: R410A
- System capacity: 6 tons
- Suitable for split-system air conditioners and heat pumps using R410A
- Direct OEM replacement for compatible Trane equipment
Why Choose Genuine Trane Parts?
Using genuine Trane OEM components like the VAL12342 ensures proper fit, function, and warranty compliance. Aftermarket substitutes may not meet the precise flow and pressure specifications required for optimal system performance. Trust Trane parts to keep your equipment running at peak efficiency.







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