Description
The Trane VAL20722 Liquid Line Service Valve is a refrigerant line isolation component used to control and service the liquid refrigerant circuit in cooling and heating systems. It is applied in system configurations where controlled access to the refrigerant line is required for charging, evacuation or maintenance procedures. In HVAC systems, this valve allow opening or closing the liquid line to manage refrigerant flow during operation or service work. Installed on the assembly, it supports system servicing, pressure control during maintenance, and proper separation between active refrigerant flow and service access points.









