The First Company CP7324 3/8" x 3/8" Thermal Expansion Valve is a refrigeration control component designed to regulate refrigerant flow into an evaporator. It responds to evaporator outlet temperature and pressure, adjusting the valve opening to maintain proper refrigerant flow and superheat. This valve is used in compatible air conditioning and heat pump systems, including indoor coi... https://www.partshnc.com/first-company-cp7324-3-8-x-3-8-expansion-valve-txv-r410a