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Most toilets are controlled by float valves that start filling the tank when the water level drops. If the toilet is filling repeatedly without the toilet being flushed, then your problem is the stopper flap that is located at the bottom of the water tank on the back of the toilet. It probably has a small leak that is causing the water level to drop, which causes the float to fall, therby opening the fill valve which refills the tank after a flush. Try to see if the chain that is attached to the handle is stuck in the opening, or if there is some obvious reason why the flap is not sealing properly. Your problem can most likely be fixed by replacing the flap valve. 545Bad flapper. Easy to repair, no plumber needed.

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17y ago

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