The Rheem-Ruud 61-104031-03 5-Ton Thermal Expansion Valve (TXV) is a precision refrigerant metering component designed for R-410A air conditioning and heat pump systems. It automatically regulates refrigerant flow into the evaporator based on cooling demand, helping maintain optimal system efficiency and temperature control. https://www.partshnc.com/61-104031-03-rheem-ruud-38-swtxthrdchtlf-r410a-5t-txv