This thermostatic expansion valve is designed to regulate the flow of refrigerant in a 5-ton R22 HVAC system. It features a 3/8" inlet and 1/2" outlet with ODF connections for easy installation. The valve's thermostatic element responds to changes in temperature, ensuring precise control over the refrigerant flow rate. This helps maintain optimal system performance and efficiency, while also preventing damage to the compressor and other components. With its durable construction and reliable operation, this TXV is an excellent choice for HVAC service technicians looking to maintain or repair R22 systems.