Toilet Flush Valves

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540AK/AKR - 3" Flush Valve with bolts

Toilet Flush Valve
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This toilet flush valve is 3” Toilet Flush Valve Kit to replace the flush valve in your HET toilet.

  • Repair leaks between tank and bowl
  • Easy install
  • Fits Toto®, American Standard® and other common 3″ flapper toilets
  • Easily adjustable overflow tube
  • Flapper adjusts to optimize performance and fine-tune how much water you flush
  • Long lasting, chlorine resistant silicone seal**
  • 5 year warranty

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To determine whether your toilet is HET, please click here:

How to check your toilet type

The 540AK/AKR 3” Flush Valve Kit is an easy to install design that repairs leaks and saves water. The flush valve height adjusts up or down to fit more toilet models and sizes, while the 3” flapper also adjusts to optimize performance and fine-tune how much water you use. This kit includes all you need to restore your toilets flush. Parts include; an adjustable flush valve, a 3” flapper, a gasket, bolts, washers and nuts for a complete repair. The 540AKR fits most common 3” flush valves.

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

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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540AK/AKR - 3" Flush Valve with bolts

Download Installation Instructions

FLUIDMASTER RECOMMENDS

  • Also Replace
  • ENHANCE

Frequently Asked Questions

WARNING:

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

BUY ONLINE

The 540AK/AKR - 3" Flush Valve with bolts is available online, from our following retail partners.
IN THE UNITED STATES:
IN CANADA: