The Goodman 0151R00185S Open Service Valve 3/4 Inch is a durable component designed for use in Goodman air conditioning and heat pump systems. It functions by regulating the flow of refrigerant, allowing technicians to charge, evacuate, or service the system efficiently. https://www.partshnc.com/0151r00185s-amana-goodman-34-open-service-valve