Description
The Trane VAL8984 is an OEM thermostatic expansion valve (TXV) engineered for precise refrigerant flow control in Trane cooling systems. With a 5/8″ liquid-line inlet and a 1-3/8″ ODS suction-line outlet, this valve is sized for larger-capacity equipment where accurate superheat regulation is critical to system efficiency and compressor protection.
A thermostatic expansion valve meters refrigerant into the evaporator coil based on real-time superheat conditions, ensuring the coil is fully utilized without allowing liquid refrigerant to reach the compressor. Replacing a worn or failed TXV with a genuine Trane OEM part restores factory-specified performance and protects the overall refrigeration circuit.
Key Features
- OEM Trane replacement TXV — direct fit for compatible Trane equipment
- 5/8″ liquid-line (inlet) connection
- 1-3/8″ ODS suction-line (outlet) connection
- Thermostatic operation for automatic superheat control
- Protects the compressor by preventing liquid slugging
- Maximizes evaporator coil efficiency across varying load conditions
- Durable construction built to Trane OEM specifications
Applications
- Trane commercial and residential split-system air conditioners and heat pumps
- Systems requiring precise refrigerant metering at larger coil capacities
- Replacement of failed or underperforming OEM TXV valves
Specifications
- SKU: VAL8984
- Brand: Trane
- Valve Type: Thermostatic Expansion Valve (TXV)
- Inlet Connection: 5/8″
- Outlet Connection: 1-3/8″ ODS







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