The Trane VAL7558 5-Ton Thermal Expansion Valve (TXV) with a 36-inch capillary tube is a refrigerant metering component designed for HVAC air conditioning and refrigeration systems. It regulates refrigerant flow into the evaporator coil according to temperature and cooling demand, helping maintain proper superheat and efficient heat transfer. The valve is suitable for 5-ton systems an... https://www.partshnc.com/val7558-trane-5-ton-expansion-valve-txv-36-capillary