Toilet Fill Valves

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400H - PerforMAX® FILL VALVE - 2 Pack

You can purchase this toilet fill valve from the Fluidmaster Online Store

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In an independent study, rates this fill valve as the highest rated valve for 2023. Click here to read the article: Best Toilet Fill Valve

Fix running toilet, noisy toilet or a slow filling toilet with the Fluidmaster 400H PerforMAX Universal High Performance Fill Valve 2-Pack.

This universal design is built to work with most toilets and brands. Best for use in 1.28 HET and 1.6 GPF toilets, but can also be used with pre-1994 3.5 GPF toilets.

  • A quiet, powerful toilet fill valve replacement now available in a 2-pack
  • Quick and easy to install, with step-by-step instructions
  • Universal fit for most toilet models and brands
  • Easy turn tank water level adjustment
  • Bowl water level adjustment dial to save water use per flush
  • 2X greater bowl refill for a more powerful flush for 1.28 and 1.6 GPF toilets
  • Cut down repair time with a pre-installed shank washer
  • EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
  • 7 year warranty

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400H - PerforMAX® FILL VALVE - 2 Pack

Download Installation Instructions

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The 400H - PerforMAX® FILL VALVE - 2 Pack is available online, from our following retail partners.