Fill Valves

Products > Fill Valves

400A - Universal Fill Valve

400a Universal Fill Valve
Click & drag to spin image (Shift + drag if zoomed in). Click to zoom in. Click thumbnail to reset.
Click & drag to spin image (Shift + drag if zoomed in). Click to zoom in. Click thumbnail to reset.

Click & drag to spin image (Shift + drag if zoomed in). Click to zoom in. Click thumbnail to reset.
  • #1 best selling fill valve in the world
  • Best for toilets that date prior to 1994 with flush volumes between 3.5 and 7 gallons per flush
  • Replaces ballcocks and other older valves
  • 5 Year Warranty
  • Easy to install; fits all brands
  • Height adjusts 9″-14″
  • Refills quickly
  • Corrosion-resistant material
  • Code approved
  • Anti-Siphon design – Won’t contaminate fresh water supply
  • Some toilet models not supported: Flapperless, Low Boy 1 Piece Toilets  and Side Entry Valves
  • Available in Canada

 

For best performance of your toilet, consider replacing the flapper along with the fill valve. Fluidmaster recommends the  400CR Repair Kit that has both the 400A fill valve as well as the 2 inch 501 flapper.

Watch this video on how to install the Fluidmaster 400A Fill Valve:

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 you are wondering what is the difference between the 400A and the 400AH PerforMAX® fill valve, we have just the right video for you:

To check your toilet’s flush volume, please click here.

400A - Universal Fill Valve

Download Installation Instructions

Fluidmaster Recommends

  • Upgrade
  • Also Replace
  • Enhance
WARNING:

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

BUY ONLINE

The 400A - Universal Fill Valve is available online, from our following retail partners.
IN THE UNITED STATES:
IN CANADA: