Description
The Trane VAL6994 Relief Valves 1/2" MPT X 5/8" FL 450 PSI is a genuine Trane OEM pressure relief valve engineered to protect HVAC systems from harmful over-pressure conditions. Designed for use in refrigerant or fluid circuits, this factory-grade relief valve helps safeguard compressors, lines, and other critical components by releasing excess pressure before damage can occur.
Key Features
- OEM Trane Quality: Manufactured to strict Trane specifications for dependable fit and performance.
- High Pressure Protection: Rated up to 450 PSI, helping prevent pressure build-up that can cause system failures or leaks.
- Standard Connections: Includes a 1/2″ male pipe thread inlet and 5/8″ flare outlet, fitting many common HVAC line configurations.
- Compact, Durable Design: Built to withstand long-term exposure to refrigerant and operating stresses for reliable service life.
- Critical Safety Valve: Acts as a fail-safe release point in refrigerant or fluid circuits to help maintain safe system operation.
- Direct Replacement: Fits systems originally equipped with VAL6994 relief valves (sometimes superseded by VAL06994 on certain inventories).






