Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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Vacuum Check Valve HVAC: Service and Repair
REMOVAL AND INSTALLATIONVacuum Supply:
1.
Unplug the heater-A/C 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.
4.
Reverse the removal procedures to install.
