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". The 400A Toilet Fill Valve is the most popular fill valve in the world.
Easy to install
Height adjusts 9"-14"
Refills quickly; quietest fill valve available
Universal fit for 1 and 2 piece toilets
Anti-siphon operation, code approved
Won't contaminate fresh water supply