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Fluidmaster 400LSC Leak Sentry Toilet Fill Valve

FluidmasterSKU: 032773220


Fluidmaster 400LSC Leak Sentry Toilet Fill Valve


  • Save water and prevent a running toilet with a Leak Sentry® Fill Valve.
  • This revolutionary valve includes a water saving roller clamp to make sure that the right amount of water goes into the bowl with every flush.
  • It’s also the only fill valve with active leak detection, preventing a toilet from leaking without the homeowner having to take any special action.
  • Best of all, when there’s no leak in the tank, it works just like a 400AC, so you know you’ll get consistent performance flush after flush.


  • Automatic "Locking" action alerts users to leaks before money and water are wasted
  • Toilet remains fully operational
  • Anti-siphon, code approved

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