Description
The Carrier EP13BZ121 Liquid Line Service Valve is a refrigerant control component used to isolate, charge, and service liquid line circuits in air conditioning and heat pump equipment. In HVAC systems, it is installed in liquid refrigerant and a line between the condenser and expansion part, where it provides access for pressure testing, refrigerant recovery, and maintenance procedures. It supports controlled refrigerant flow and helps perform and servicing operations without disrupting the entire system. It is commonly used in residential and light commercial cooling applications requiring sealed refrigerant circuit management.
