Fluidmaster's 400A toilet fill valve is the #1 best selling fill valve in the world! The toilet fill valve fills the toilet tank with water from the water supply line after it has been emptied by a flush.
It replaces the ballcock and is more efficient and easy to install. This is an anti-siphon design-fill valve with adjustable height from 9" to 14". Replace your old style ballcock valve with this better performing Fluidmaster toilet fill valve.
- Height adjusts 9" to 14" to fit most tanks
- Corrosion-resistant material
- Anti-siphon operation