Description
Trane VAL7558 Thermostatic Expansion Valve Overview
The Trane VAL7558 is a genuine OEM thermostatic expansion valve (TXV) engineered for 5-ton HVAC applications. Featuring a 36-inch capillary tube, this valve delivers accurate refrigerant metering to maintain optimal evaporator superheat, protecting the compressor and maximizing system efficiency. As a factory-authorized Trane replacement part, the VAL7558 ensures a precise fit and reliable performance in compatible Trane systems.
Key Features
- Genuine Trane OEM thermostatic expansion valve (TXV)
- Rated for 5-ton HVAC system capacity
- 36-inch capillary tube for flexible installation and proper bulb placement
- Precise refrigerant metering for consistent evaporator superheat control
- Helps protect the compressor from liquid slugging and refrigerant flooding
- Direct OEM replacement for compatible Trane equipment
- Engineered for long-term durability and dependable field performance
Why Choose a Genuine Trane TXV?
Using an authentic Trane replacement TXV ensures compatibility with your existing equipment, maintains manufacturer warranty compliance, and delivers the same performance standards as the original factory-installed component. The VAL7558 is the correct choice for technicians seeking a reliable, drop-in solution for 5-ton Trane systems requiring TXV replacement.
Applications
- Residential and light commercial Trane split systems
- 5-ton cooling capacity applications
- TXV replacement and refrigerant circuit service







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