Vacuum Check Valve HVAC: Service and Repair

Fig.32 Vacuum Supply:

REMOVAL
1. Unplug the HVAC vacuum supply line connector at the vacuum check valve.
2. Note the orientation of the check valve in the vacuum supply line for correct reinstallation.
3. Unplug the vacuum check valve from the vacuum supply line fittings.

INSTALLATION
1. Plug in the vacuum check valve at the vacuum supply line fittings making sure of proper orientation.
2. Plug in the vacuum check valve at the HVAC vacuum supply line connector.