Anyone have any ideas why my pipes start whining when water's run only
in the winter (when the hose bibs are winterized?) It's a
medium-pitched whine with a little vibration. House is a 6 year old
three level townhouse built by Centex. Thanks.
Turn off the supply valve(s) to the toilet tanks.
If that cures the whine, the ballcock valve in a
toilet is worn out.
Certain mfr ballcocks will set up a resonance in the
system when worn out. I'm guessing that the extra
length of piping to the hose bibbs is somehow damping
Thanks for the suggestion. I tried each toilet individually with no
success in eliminating the whine. Did you mean close all the supply
valves at the same time? If not, any other suggestions? Thanks again.
Each toilet should have done it. Guess we can rule them out.
You may have a PRV (pressure regulator) on the service.
If street pressure is high, these can whine as they throttle
It might look like:
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