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    derekgads's Avatar
    derekgads Posts: 1, Reputation: 1
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    #1

    Sep 29, 2011, 03:05 PM
    Sewer smell coming from downstairs toilet
    When we shower upstairs there is a sewer gas smell coming from from the downstairs toilet. I have replaced the wax gasket twice. What is the problem?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Sep 29, 2011, 03:45 PM
    Here's what I think is happering. You shower upstairs and the discharge picks up speed dropping down from the second floor. You have a partial blockage downstream from the downstairs toilet. The discharge from the shower hits that and bounces back sending a bubble of sewer gas ahead of it before it drains away. The solution would be to pull the toilet and snake from there. Good luck, Tom
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