The Climatemaster 68266314 Thermal Expansion Valve (TXV) is a precision refrigerant control component designed for use in geothermal heat pumps, water-source heat pumps, and other compatible HVAC systems. It regulates the flow of refrigerant into the evaporator by adjusting to changing temperature and pressure conditions, ensuring optimal heat transfer and system efficiency. This valv... https://www.partshnc.com/68266314-climatemaster-txv-valve