Fluidmaster Replacement Seal

The Fluidmaster 242 Replacement Seal for Model #400A Fill Valves is a quick and easy way to restore your toilet fill valves performance. A direct replacement seal which fits the universal Fluidmaster 400A toilet fill valve the No. 1 selling toilet fill valve worldwide. This part offers an easy way to solve common toilet fill problems without the need of purchasing a new toilet fill valve. Use this design to extend the life of an otherwise effective fill valve. The Fluidmaster Toilet Fill Valve Seal and simple DIY solution to common toilet fill problems.