Toilet Fill Valves

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400A - Universal Toilet Fill Valve with Brass Shank

400A Fill Valve with Brass Shank

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The top-selling toilet fill valve in the world, now available with a more durable brass shank. The Fluidmaster 400A Universal Toilet Fill Valve with Brass Shank comes with a heavy-duty brass shank that won’t crack, corrode or strip.

  • Best for toilets manufactured prior to 1994 that have 3.5 – 7 gallons per flush
  • Best solution to fix noisy and slow filling toilets
  • Fast and easy to install
  • EZ-twist height adjustment from 9” to 14” to fit more tanks
  • Quiet, powerful operation
  • Easy to turn tank water level adjustment dial to save water
  • Pre-installed shank washer for quicker installation
  • 7 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

If your fill valve runs continuously or you hear a constant hissing sound, you may have debris trapped in the valve. This video will show you how to properly remove debris from the 400A fill valve:

If removing the debris from the 400A fill valve did not solve your problem, then the next step would be to remove and replace the cap assembly of the 400A fill valve. This video will show you how to remove & replace the cap assembly:
Watch this video on how to install the Fluidmaster 400A Fill Valve:

400A - Universal Toilet Fill Valve with Brass Shank

Download Installation Instructions

Frequently Asked Questions

WARNING:

Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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The 400A - Universal Toilet Fill Valve with Brass Shank is available online, from our following retail partners.
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