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    Coish3991's Avatar
    Coish3991 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 26, 2011, 04:08 PM
    Our toilets burp/bubble a lot... What is wrong with them?
    We have 3 toilets in the house and anytime one of them is flushed one of the other ones burps/bubbles a lot (enough to splash water out of the toilet). What could be wrong with them? It does not happen when we do laundry or use the shower or dishwasher or sinks.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Oct 26, 2011, 04:11 PM
    Most likely have a blockage in the vent that serves these devices. The other ones work since they also have another vent
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    Oct 27, 2011, 06:49 AM
    I agree with ma0641 that you have a blockage. However I don't think it's the vent that's blocked. Let me explain.
    Gurgles are caused by suction caused by a blocked vent while bubbles are caused by back pressure which is caused by a blockage in the drainage line.
    You have a blockage downstream from the toilet that's doing the bubbling.
    The solution would be to:
    1. Pull the toilet and snake the line from there **OR**
    2. Snake from the lavatory roof vent. Good luck, Tom
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #4

    Oct 27, 2011, 12:55 PM
    Next time I'm listening for gurgles and bubbles, I'll remember that! Brian
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