The Fluidmaster 400A is a replacement toilet fill valve that will quickly install into most toilets. The Fluidmaster can be installed into your toilet quickly using only a few basic hand tools. The price of the Fluidmaster is between $9.99 – $15.00 depending on where you buy it and sometimes your location. This toilet fill valve has been used in many types of toilets. The Fluidmaster 400A can be adjusted from 8″ to 11″ so that it can fit into almost any toilet bowl.
You can also buy the Fluidmaster 400A Toilet Fill Valve with a Fluidmaster Toilet Flapper as a combo pack that is called the Fluidmaster Toilet Rebuild kit. If your toilet is filling slowly and the flapper is leaking this kit is the perfect thing to give your toilet a tune up.