Fill Valves

Products > Fill Valves

Fill Valves

Find a Store

BUY ONLINE

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

IN THE UNITED STATES:

IN CANADA:

400A - Universal Fill Valve

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 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: