The Fluidmaster 400LSRP4 leak sentry® universal water saving toilet fill valve offers all the same benefits of the 400 A fill valve, but it comes with leak prevention technology and a water-saving roller clamp. Leak prevention technology stops the automatic refill of your toilet tank due to a worn or faulty flapper. While the included roller clamp allows you to regulate the amount of water refilling the toilet bowl for water savings depending on your needs. The 400LS is a code approved, anti-siphon design, that won’t contaminate the fresh water supply, best for use in 3.5 - 7 GPF toilets. Quickly replace noisy, or leaky toilet fill valves with this water-saving design.
Fix noisy toilets and detect leaks
Easy to install universal fit
Leak sentry® prevents the automatic refill of a leaky tank
Best for use in 3-1/2 - 7 GPF toilets