The Trane VAL10598 3-Ton Thermal Expansion Valve is an R-410A refrigerant metering component designed for compatible HVAC systems. It regulates the flow of refrigerant into the evaporator by responding to evaporator temperature and pressure, helping maintain proper superheat and efficient heat transfer. Featuring 3/8-inch ODF connections, this TXV is commonly used in Trane air conditi... https://www.partshnc.com/val10598-trane-3-ton-thermal-expansion-valve-3-8-odf-r410a