Description
The Trane VAL8684 Expansion Valve is a refrigerant flow control part that meters liquid refrigerant into the evaporator based on cooling demand in HVAC systems. It is rated for 4-ton capacity and features 3/8-inch inlet and 1/2-inch outlet connections, allowing proper integration with refrigerant lines and system components . This is used in air conditioning or heat pump equipment, where it regulates refrigerant entering the coil. Its role is to maintain proper flow balance, supporting efficient heat exchange and stable system performance.









