The Amana-Goodman 0151R00213S Thermal Expansion Valve (TXV) is a refrigerant metering component designed to regulate refrigerant flow into an evaporator coil. It responds to changes in refrigerant temperature and pressure, adjusting the flow to maintain appropriate evaporator superheat for efficient heat transfer. This valve is used in compatible Amana and Goodman air conditioning sys... https://www.partshnc.com/0151r00213s-amana-goodman-thermal-expansion-valve-r410a