Fluidmaster 400LS Leak Sentry Toilet Fill Valve

The 400LS Pro fill valve with leak sentry halts costly and undetected toilet tank leaks. Toilet always remains operational. Made from corrosion-resistant plastic and stainless steel. Anti-siphon, code approved. Ecosource exclusive. “Locking” action alerts users to leaks before money and water are wasted. Ideal for multi-housing applications. Toilet remains fully operational.