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Old 10-28-2014, 08:41 PM   #1
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pipe banging at inlet


Just today I hear a 'thump, thump, thump, sound coming from the basement as I turned on the dishwasher in the kitchen. About 1 thump per second. I go to the thumping sound and it's at the 3/4" water inlet from the street. I have a pressure regulator there followed by a whole house inline filter. I bypassed the filter and it continued to thump. I increased the water pressure and it stopped thumping. What gives here?

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Old 10-28-2014, 08:48 PM   #2
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pipe banging at inlet


could have a defective pressure regulator....what is your pressure?

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Old 10-28-2014, 08:52 PM   #3
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pipe banging at inlet


I'll check it tomorrow as I didn't think of that. Should I be running at 45-55 psi
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Old 10-28-2014, 08:58 PM   #4
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pipe banging at inlet


There's no need for anymore then that.
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Old 10-28-2014, 11:18 PM   #5
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pipe banging at inlet


while i can agree with joe..here in my area we average anywhere from 60-75 city water.....40-60 well water...
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Old 10-29-2014, 12:06 AM   #6
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while i can agree with joe..here in my area we average anywhere from 60-75 city water.....40-60 well water...
is that before the regulator or after?
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Old 10-29-2014, 01:54 PM   #7
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pipe banging at inlet


after the regulator ..again because here in my area we have high inlet water pressure...90 to 120
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Old 10-29-2014, 02:53 PM   #8
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pipe banging at inlet


Wonder if your water provider was having issues?
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Old 10-29-2014, 03:29 PM   #9
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pipe banging at inlet


[QUOTE=Ghostmaker;1423012]Wonder if your water provider was having issues?[/QUOTE
My water pressure at my kitchen faucet head is 50psi. Our water supplier tells me there is no work being done that would have effected our pressure. I believe I may change my regulator.
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Old 10-29-2014, 03:36 PM   #10
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pipe banging at inlet


Sort of sounding like a pump may have failed. Just rebuild the thing its easy.
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Old 10-29-2014, 05:11 PM   #11
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Sort of sounding like a pump may have failed. Just rebuild the thing its easy.
I didn't know water pressure reg's were rebuild-able
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Old 10-29-2014, 05:25 PM   #12
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pipe banging at inlet


Yes, they can be rebuilt. Sometimes it's faster and easier to replace it. Up to you.

Please post a picture of it. Thanks.

Last edited by jmon; 10-29-2014 at 05:27 PM.
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Old 10-29-2014, 06:09 PM   #13
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Yes, they can be rebuilt. Sometimes it's faster and easier to replace it. Up to you.

Please post a picture of it. Thanks.
Here it is...

pipe banging at inlet-dscn0077.jpg
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Old 10-29-2014, 06:19 PM   #14
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pipe banging at inlet


Nice. You have unions on both ends. 5 minute job to replace it. If you rebuild it, remember how you took it apart or take pictures. Remember to turn water off first and open a couple faucets. Just a suggestion.

If you can't adjust it properly or turns out to be bad, a rebuild kit is about 35 dollars. New one about 60. Your choice.

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Last edited by jmon; 10-29-2014 at 06:34 PM.
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