Trane VAL20695 Expansion Valve is a refrigerant flow-control component designed for compatible Trane air conditioning and heat pump systems. It regulates the amount of refrigerant entering the evaporator coil according to system operating conditions, helping maintain proper refrigerant flow and heat transfer. Used in HVAC refrigeration circuits, the valve supports efficient cooling an... https://www.partshnc.com/trane-val20695-expansion-valve