The Trane VAL19424 Thermal Expansion Valve (TXV) HXCE-1-ZX200 is a precision refrigerant metering component designed to regulate refrigerant flow into an evaporator. It works by responding to evaporator outlet temperature and pressure, automatically adjusting the refrigerant flow to maintain proper superheat and efficient heat transfer. This TXV is used in compatible Trane air-conditi... https://www.partshnc.com/val19424-trane-hxce-1-zx200-thermal-expansion-valve