Thermostatic Expansion Valve (TXV)

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The Thermostatic Expansion Valve (TXV) is located at the evaporator inlet and outlet tubes at the center rear of the engine compartment. The Thermostatic Expansion Valve (TXV) provides a restriction to the flow of refrigerant and separates the low-pressure and high-pressure sides of the refrigerant system. Refrigerant entering and exiting the evaporator passes through the Thermostatic Expansion Valve (TXV) through 2 separate flow paths. An internal temperature sensing bulb senses the temperature of the refrigerant flowing out of the evaporator and adjusts an internal pin-type valve to meter the refrigerant flow into the evaporator. The internal pin-type valve decreases the amount of refrigerant entering the evaporator at lower temperatures and increases the amount of refrigerant entering the evaporator at higher temperatures.