Heatcraft Refrigeration 29326201 Expansion Valve - 3/8 x 3/8 is a refrigerant metering component designed to regulate refrigerant flow into the evaporator of compatible refrigeration systems. It works by adjusting refrigerant flow according to system conditions, helping maintain proper evaporator pressure and efficient heat transfer. Designed for use with compatible Heatcraft refriger... https://www.partshnc.com/29326201-heatcraft-refrigeration-expansion-valve-38-x-38