The Trane VAL9406 Thermal Expansion Valve (TXV) is a 5-ton refrigerant metering component designed for R-410A air conditioning and heat pump systems. It regulates refrigerant flow into the evaporator coil by responding to temperature and pressure changes, maintaining proper superheat for efficient heat transfer. Featuring an internal check valve, external equalizer, and non-bleed desi... https://www.partshnc.com/val9406-trane-r410a-5ton-txv-valve