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    kpag's Avatar
    kpag Posts: 6, Reputation: 1
    New Member
    		  
    #1

    Mar 8, 2015, 11:57 AM
    Toilet water level drops in bowl
    I just replaced a toilet in the second floor bath. I've noticed the water level drop in the bowl while watching it. Additionally, my wife flushed the 1st floor toilet and I watched the second floor toilet bowl water rise up and fall to just above the trap. Is this a vent problem or flapper not sealing correctly?
    afaroo's Avatar
    afaroo Posts: 4,006, Reputation: 251
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    #2

    Mar 8, 2015, 01:02 PM
    Hell Kpag,

    The first thing I would suggest to check the small refill tube properly installed into the overflow pipe, see the image below, Thanks.

    John
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    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Mar 8, 2015, 01:14 PM
    I am 99% sure your vent stack is clogged.
    kpag's Avatar
    kpag Posts: 6, Reputation: 1
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    #4

    Mar 8, 2015, 03:05 PM
    Thanks. I've heard the vent pipe could be the problem that allows water to drain out of the bowl. By the way, the refill tube is in the proper position. At least I don't have to take the toilet back.
    kpag's Avatar
    kpag Posts: 6, Reputation: 1
    New Member
    		  
    #5

    Mar 8, 2015, 03:57 PM
    I've heard that you can use a garden hose to wash out the vent pipe. I assume the water would drain into the sewer pipe. Is this correct?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #6

    Mar 8, 2015, 06:01 PM
    A garden hose can be your first try, if it is safe to get on your roof.
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