It seems to be coming from the bathroom. Any ideas? — Karen, Ballwin TO DO THE JOB Materials needed • Toilet flapper valve Difficulty • Easy It sounds as if the noise is coming from your ...

The problem is usually with the flapper or flush valve assembly. The flush valve (aka Douglas valve) is what the flapper sits on. It is located in the center of the tank and has the overflow pipe ...

The flapper (aka “flush valve seal”) is the plug that falls against the drain hole (flush valve drain seat) on the bottom of the tank and holds water in until the next time you flush.

The float, the flapper, or the fill valve are the most likely causes of a toilet running continuously. You can perform easy tests like monitoring water movement to help identify the cause.