I need to lower a grey plastic pipe for my whole house vacuum. I kind of
remember the installer telling me that it was just PVC with a grey color
instead of white. Anyone know whether that is true for sure because it
would obviously be easier to get the joints I need at Lowes if it is just
plain old pvc. Thanks.
It is indeed PVC, but not plain old PVC. Whole house vacuum
pipes are not the same size as standard fittings (such as WDV
or schedule 40). You will have to find a supplier that
carries the specific fittings for vacuum pipe.
Here is one supplier;
Search for central vacuum pipe or systems.
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