Description
Trane VAL8707 Thermostatic Expansion Valve Overview
The Trane VAL8707 is a factory-engineered thermostatic expansion valve (TXV) designed to deliver precise refrigerant metering in 2-ton residential and light commercial HVAC systems. With 3/8″ inlet and 1/2″ outlet connections, this OEM-grade valve integrates seamlessly into compatible Trane systems, maintaining optimal superheat control for consistent comfort and system longevity.
Key Features
- OEM Trane replacement thermostatic expansion valve (TXV)
- Rated for 2-ton system capacity
- 3/8″ inlet x 1/2″ outlet connection sizing
- Precision refrigerant metering for accurate superheat control
- Engineered for direct OEM fit in compatible Trane equipment
- Helps protect the compressor from liquid slugging and overheating
- Supports efficient system operation and reduced energy consumption
Why Superheat Control Matters
The thermostatic expansion valve is one of the most critical components in a refrigeration circuit. By modulating refrigerant flow in response to evaporator outlet conditions, the VAL8707 ensures the evaporator operates at peak efficiency — preventing both liquid flood-back and excessive superheat that can degrade compressor performance over time.
Application
- Direct OEM replacement for compatible Trane 2-ton split systems
- Suitable for residential and light commercial cooling applications
- Designed for use with the refrigerant specified in the original Trane equipment documentation
Specifications
- SKU: VAL8707
- Brand: Trane
- Valve Type: Thermostatic Expansion Valve (TXV)
- System Capacity: 2 Ton
- Inlet Connection: 3/8″
- Outlet Connection: 1/2″







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