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    fballhed777's Avatar
    fballhed777 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 24, 2011, 12:46 PM
    Pressure noise thump in wall once downstairs toilet flush is complete?
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #2

    Feb 25, 2011, 09:04 PM

    First, measure water pressure in your house. It should be around 55 psi. Then, Close and Open angle stop feeding the toilet in question. See if that helps... Back to you... Milo
    fballhed777's Avatar
    fballhed777 Posts: 2, Reputation: 1
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    #3

    Mar 2, 2011, 09:31 AM
    Comment on Milo Dolezal's post
    Thanks Milo. I should have mentioned that I had recently replaced my pressure relief valve, pressure into the house was close to 130 psi. Yikes, I know. I have it set between 60 & 65. Thumping noise after a flush complete might have always been there just did not notice. I traced noise to its loudest point in the garage in wall where compartment for fire sprinklers is. The noise thump caused pressure gauge, which is currently set at 175 psi, to fluctuate. The noise and thumping, as of today, seem to be gone. My only concern is fire sprinkler gauge. At time of noise, gauge was reading a little over 150 psi, now it's at 175. Will keep an eye on it. A reply on this would be appreciated. Thanks
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