Description
The Trane MAYTXVACHP3642A is an OEM thermostatic expansion valve (TXV) kit engineered specifically for Trane heat pump systems operating on R410A refrigerant at a 3.5–4-ton capacity range. Designed as a direct factory replacement, this kit ensures your system maintains precise refrigerant flow control — the cornerstone of efficient, reliable heat pump operation.
A properly functioning TXV meters refrigerant into the evaporator coil at exactly the right rate, preventing both flooding and starving of the coil. When the original valve wears or fails, system efficiency drops, pressures become erratic, and comfort suffers. Replacing it with a genuine Trane OEM kit restores factory-specified performance and protects your investment.
Key Features
- OEM Trane replacement TXV kit for accurate, drop-in fitment
- Compatible with R410A refrigerant systems
- Rated for 4-ton (3.5–4 ton) heat pump applications
- Restores precise refrigerant metering to the evaporator coil
- Helps maintain optimal system pressures and superheat settings
- Supports both heating and cooling cycle efficiency
- Genuine Trane OEM quality for long-term reliability
Application
- Designed for Trane heat pump split systems
- Refrigerant: R410A
- Nominal Capacity: 4 Ton
- Replaces worn or failed TXV valves to restore factory performance
Why Choose OEM?
Using a genuine Trane OEM TXV kit eliminates the guesswork of aftermarket compatibility. Factory-matched tolerances mean the valve opens and closes at the correct superheat setting right out of the box, reducing commissioning time and callbacks. Trust Trane engineering to keep your heat pump running at peak efficiency season after season.
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