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    Pulsating Pipe Nightmare - Bad PRV?

    Well .. turns out my plumber didn't adjust the PRV from the factory settings of 45PSI. thats why I didn't have the immediate problem again. I checked my pressure and set it back to 60 and I have all the same problems. So..2nd PRV same problem.. I guess its not the PRV. I could cry lol!! So...
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    Pulsating Pipe Nightmare - Bad PRV?

    I am at a loss. My plumber came out yesterday and replaced the PRV. The jackhammering instantly went away when flushing all the toilets. Ran the sprinklers through a cycle.. everything was fine. I thought the problem was fixed. This morning at 6am when my sprinklers were running through...
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    Pulsating Pipe Nightmare - Bad PRV?

    Update: The watercompany came out to take a look today. Verdict: Bad PRV Shuttle Valve in my Acme EB-45. Hopefully my plumber will come out and replace it. Thanks again for everyones help..
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    Pulsating Pipe Nightmare - Bad PRV?

    Thanks again for the help everyone: Answer your questions. All 3 toilets have fill-valves instead of ball-cocks. (the vibrating wasn't quite as fast.. and definitely located at either the water-meter or PRV. maybe both.. they are less than a foot apart.) My sprinklers are connected directly to...
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    Pulsating Pipe Nightmare - Bad PRV?

    Thanks for all the suggestions everyone.. I really appreciate it. So.. I shut off the washing machine taps and the problem still exists. I do not have any ball cock type toilets... PRV does not have a bypass, strainer assembly, nor pressure gauge hookup. It is just a pretty simple one and...
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    Pulsating Pipe Nightmare - Bad PRV?

    I am in need of some advice. I just bought a bank owned house "as is". It had a blown PRV that I had plumber replace before we closed (pressure was 120). I just moved in and replaced all the toilets with high efficiency "quick fill" models. Here is my problem: Every time I flush the...
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