Pipes Knocking when water is shut off.
Posted by J.A. Webb on August 16, 1998 at 18:18:33:
We had a leak in the main water line into the house.
PVC Pipe was used from the meter to just outside the
house. This has been replaced with copper. Since then
the pipes knock (about 4-5 times) when the water is shut
off (everywhere). Any suggestions on how to remedy.

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