Replacing the fill valve in a toilet is a simple plumbing task that can be completed in a few minutes. A fill valve is a device that controls the flow of water into the toilet tank. When the water level in the tank drops below a certain level, the fill valve opens to allow water to flow in. Once the water level reaches the desired level, the fill valve closes to stop the flow of water.
There are several reasons why you might need to replace the fill valve in your toilet. One reason is if the fill valve is leaking. A leaking fill valve can waste water and increase your water bill. Another reason to replace the fill valve is if it is not working properly. A faulty fill valve can cause the water level in the tank to be too high or too low, which can lead to problems with flushing the toilet.