A toilet flush valve controls the flow of water from the tank into the toilet bowl. It is made of a valve body, a flapper, ...
If the float isn’t properly adjusted, it can shut off the valve before the tank has enough water for a flush. Vandepoll says that a broken or fallen-off lift chain is a common problem.
Here are a few things to keep in mind if you’re tackling the fix yourself: Removing the vertical valve assembly from the toilet tank. Disengaging it from the flush lever. Also disengaging it ...