400CR Toilet Fill Valve and Flapper Repair Kit
Fix the two most common causes of a running toilet with a Fluidmaster Fill Valve and Flapper Kit. The kit includes the iconic 400A fill valve, the most popular toilet fill valve in the world.
Get your toilet flushing like new again
Kit includes a solid frame flapper that aligns with the tank drain every time for a consistent, powerful flush. The whole kit can be installed in ten minutes or less and will get your toilet flushing like new again. This product replaces a leaky flapper & damaged fill valve.
Easy to use
Solution to fix a noisy and running toilet
For use in 3.5 gallons per flush toilets or larger
Includes the 400A Fill Valve and the 501 Flapper
Trusted, Durable Toilet Repair Parts Since 1957.