Service Port HVAC: Description and Operation
SERVICE GAUGE PORT VALVESService Guage Port Valves:
The fitting is an integral part of the refrigeration line or component.
- Special couplings are required for both the high side and low side service gauge ports.
- The Schrader-type valve core can be serviced if the seal leaks.
- Always install the A/C charging valve cap on the service gauge port valves after repairing the refrigerant system.