Once the tank has emptied, the flush valve resituates itself in the bottom of the tank, covering the drain hole so the tank can be refilled. It is the job of the refill mechanism to fill the tank back up with enough water to start the whole process again. The refill mechanism has a...
Replacing a Fill ValveHow To Replace A Fill ValveFluidmaster 400A The fill valve, also known as a ballcock or refill valve, is a very important component in your toilet since it fills the tank of the toilet after every flush. A malfunctioning fill valve can cause a bit of frustration ...