Flushing on its own

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    • #275970
      Beau Brendt

      I have a toilet that flushes on its own. About every six hours approx. it does this. Please help me fix this.

    • #293202
      Retired plbg1

      Sounds like your flapper has to be replaced. Take some colored egg dye and put in tank and see if it leaks into the bowl.

    • #293203

      I haven’t tried your suggest yet, but that makes logical sense. My only concern is that I just bought a whole new everything including the flapper. Is there a way to see if it can fit tighter or is this something that I need to pay attention for making sure that the flapper actually is going to fit my toilet if I were to buy a new one?

    • #293204

      I just had this same problem. I bought a new toilet and the flush valve was not seated properly. If you don’t want to buy a new flapper, try this method to isolate the source of the leak. Shut the water off to the tank and mark the level of the water inside with a pencil. As the water recedes mark again. If it stops above the flapper then you probably need a new flapper. If it continues below the flapper most likely it will be the flush valve. Also, if the tank is not level, that could cause leakage.

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