Our concrete contractor broke a PVC pipe while doing our front patio.
After shutting off the water, they removed the broked pipe and capped
as necessary. Since turning the main water back on, we experience
water hammer everytime we flush the toilet in one bathroom. This has
NEVER happened since we bought the house three years ago.
The concrete contractor suggested we open all faucets in the house for
a short time to relieve pressure in the pipes, but this has not solved
My question: what recourse do I have with the concrete contractor to
resolve this. If it is necessary to pay a plumber, can I get the
concrete contractor to pay for this? Thanks for any help.
there's really nothing the broken pipe fix could have caused.
You may not have gotten the proper procedure for eliminating
the water hammer. The water supply needs to be shut off, then open
something below the level
of all the other faucets, etc to drain the system. When draining, this is
when all the faucets, laundry connects, etc need to be opened.
The hammer arrestors are vertical pieces of tubing that may not drain out
unless the nearby connection is opened to break the vacuum.
What was the purpose of the pipe they capped?
Did it bring water to/from something?
Have you lost the use of water somewhere in/around your house?
Try posting the "who pays" question on misc.legal.moderated
I'd 'spect the answer to "can I" is "Maybe", and to "will I" would be,
"Two chances - Slim and none." (And Slim rode out of town yesterday at
Thanks for the replies. Yes, the concrete contractor is
licensed/insured. We capped because we decided we didn't need that
Just so I have this straight, I should shut off the main water, open
all faucets all the way, and then turn the main back on at a low level?
Should I flush toilets, turn on washing machine, etc. How long should
I leave everything running? Then I turn off everything and turn the
main back up to a normal level? Thanks again.
I'd say that's about it 'cept I would flush the toilets but not bother
with the washing machine or dishwasher.
If you DO have upright capped sections of pipe installed as water hammer
arrestors and they were located senseably, that should do it.
If it doesn't, I'm out of ideas, but frankly, I too can't think of why
the contractor shutting off the water and capping a pipe would have
caused water hammer arrestors to lose their air cushions.
You chose not to tell us what the pipe they capped used to do, only that
you didn't need it anymore, and while I can't think of a scenario
offhand, it'd still be interesting to learmn what it was you "didn't
need anymore" just in case there's a clue to the sudden onset of watter
hammer hiding there.
The pipe was connected to an after-mkt faucet for a drip-system
installed by the home's prior owner. We ended up pouring concrete in
that area, so that pipe was just removed and the connection was capped.
Thanks again. I'll try your suggestion right now.
Could be caused by air trapped in the pipes. Checkout:
For all you wanted to know about waterhammer and more!
In any case, if the concrete contractor is customer friendly, they
should hire a plumber and get it fixed.
So you have an unused modification to your plumbing that was acting as
air chamber and arresting water hammers solely by accident and that was
capped off in the completion of another job.
Add a proper air chamber or expansion tank an be done with the water
hammers and quit screwing around.
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