Fluidmaster toilet tank parts are found in more toilets than all other brands combined and is the #1 brand of toilet repair parts worldwide.

Fluidmaster, the # 1 brand in toilet repair, makes it very easy for you to diagnose your toilet problems and fix it!

Fluidmaster is the most trusted brand of toilet repair parts by homeowners and plumbers. Fluidmaster invented the fill valve technology.

Jul 25, 2024 · Fluidmaster gives you solutions to your toilet problems. Our technical support team will help you fix your toilet problems.

Fluidmaster invented the toilet fill valve technology in 1957 and is the most trusted and largest selling brand of toilet fill valves.

Browse the list of available technical documentation below.

The 400H is Fluidmaster’s most versatile, performance-driven toilet fill valve—engineered for pros but simple enough for DIY installs. Whether you’re fixing a noisy tank, upgrading for water savings, or …

Fluidmaster toilet repair parts can be purchased at leading home improvement and hardware stores both in the U.S. and in Canada.

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Fluidmaster® sets the high performance standard with the 502 PerforMAX® Water-Saving, Adjustable Flapper. The Fluidmaster® 502 Flapper quickly replaces and upgrades old, or corroded 2” toilet …