There are really only two main toilet tank parts: The toilet flush valve, which lets water gush into the bowl during the ...

Bend or adjust the toilet float arm so the tank stops filling when the water level is 1/2- to one-inch below the top of the ...

How to Repair a Running Toilet 1. Adjust the Float. The float arm controls the water level in your tank. If it’s set too high, water will keep running into the overflow tube.

Nobody likes to toilet troubles. Nobody.

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.

Adjust the float higher or lower so the water is right at the fill line. Ostroff also notes that this is a good time to assess the water supply hose. If you have a rubber line, consider replacing ...

How to Repair a Running Toilet 1. Adjust the Float. The float arm controls the water level in your tank. If it’s set too high, water will keep running into the overflow tube.