The Tecumseh K32-18 5/8-Inch SAE Flare Service Valve is a refrigerant control and access component designed for compatible HVAC and refrigeration systems. It regulates refrigerant flow and provides a connection point for technicians to isolate system sections, perform pressure checks, and carry out maintenance procedures. This service valve is used in air conditioning units, refrigera... https://www.partshnc.com/k32-18-tecumseh-58-sae-flare-service-valve