The copyright EA02DZ456 is a compact and essential component within air conditioning systems, known as a Thermal Expansion Valve (TXV). Made from lightweight materials (around 0.22 lbs), it features a 5/8" x 1-1/8" connection size for sweat or braze connections, simplifying installation within refrigerant lines. Precise Refrigerant Control The TXV acts as a metering device, precisely ... https://www.partshnc.com/58x1-18-8ton-r22-txv5cap-2