The International Comfort Products 1186998 Thermal Expansion Valve (TXV) Kit is a replacement part designed for use in air conditioning and heat pump systems. This kit regulates the flow of refrigerant by acting as an automatic pressure regulator. By sensing temperature changes in the evaporator coil, the TXV adjusts the amount of refrigerant entering the coil, ensuring optimal coolin... https://www.partshnc.com/kit-txv-2