Water Hammer?


Old 04-08-03, 01:28 PM
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Angry Water Hammer?


I am having some troubles with the pipes
in my house. Apparently the previous
owner did partial copper in the house.
Well everytime I flush any of the toilets...
there is a loud bag should right after it
is done filling. Is there any way to
make this stop. I checked the water pressure
and it seems to be at the right level.
When I went under the house, there
were a few pipes close together.. not
sure if that is the banging, but there
was a piece of cardboard lodged between the
2. Could it be possible that the pipes are
just not "tied" down with the metal anchors?
I just know that the banging is terrible...
Does anybody have any suggestions to correct
the problem?

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Old 04-08-03, 03:34 PM
Mike Swearingen's Avatar
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The pipes apparently are not clamped down properly in the wood framing, and anytime an automatic shut-off valve closes abruptly, such as the water inlet valve in a toilet, you get water hammer.
If it isn't practical for you to open up walls and clamp the pipes to the framing, you can install water hammer arresters at each fixture causing a hammer bang.
Try installing them at the toilets first.

Here's an example of one type.
Good luck!
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