The Trane VAL12375 Thermal Expansion Valve (TXV) is a precision refrigerant metering device designed for R410A systems in 2-ton HVAC applications. It regulates refrigerant flow into the evaporator based on temperature and pressure changes, ensuring proper superheat and efficient heat transfer. Commonly used in air conditioners and heat pump systems, this TXV improves system efficiency... https://www.partshnc.com/val12375-trane-r410a-15bld-2ton-10-txv