Description
The Trane VAL8987 is a genuine OEM thermostatic expansion valve (TXV) engineered for precise refrigerant metering in Trane HVAC systems. Featuring 5/8″ and 1-3/8″ ODF sweat connections along with a 5-foot external equalizer capillary, this valve delivers consistent superheat control to protect the compressor and maximize system efficiency.
Thermostatic expansion valves are a critical component in any refrigeration circuit, automatically modulating refrigerant flow in response to evaporator load changes. The Trane VAL8987 is designed to meet the exacting standards of Trane equipment, ensuring reliable, long-lasting performance in both residential and light commercial applications.
Key Features
- Genuine Trane OEM replacement TXV valve
- 5/8″ ODF liquid line inlet connection
- 1-3/8″ ODF suction line outlet connection
- 5-foot external equalizer capillary for accurate superheat sensing
- Automatic refrigerant flow modulation based on evaporator load
- Designed for compatibility with Trane residential and light commercial systems
- Helps protect the compressor from liquid slugging
- Supports maximum system efficiency and consistent cooling performance
Specifications
- Brand: Trane
- Part Number: VAL8987
- Valve Type: Thermostatic Expansion Valve (TXV)
- Inlet Connection: 5/8″ ODF
- Outlet Connection: 1-3/8″ ODF
- Capillary Length: 5 feet
- Connection Type: ODF (Outside Diameter Fitting) Sweat
Application
The Trane VAL8987 TXV is intended as a direct OEM replacement for Trane split systems and packaged units that require precise refrigerant metering. Always verify compatibility with your specific Trane equipment model before installation. Proper installation by a certified HVAC technician is recommended to ensure safe and optimal system operation.







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