The Trane VAL12335 Thermal Expansion Valve (TXV) TR6 5-Ton is a refrigerant metering component designed to regulate refrigerant flow into the evaporator coil. It responds to refrigerant temperature and pressure, adjusting the valve opening to maintain proper superheat as cooling demand changes. Designed for Trane HVAC equipment, including compatible air conditioners, heat pumps, air h... https://www.partshnc.com/val12335-trane-tr6-5t-thermal-expansion-valvetxv