Fluidmaster 400A Replacement Seal Assembly

Item # 181029 | Fluidmaster Part # B212-10 | UPC Code 039961025722 | UNSPSC Code 30181811 | Catalog Page #297
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Product Overview

The Fluidmaster B212-10 replacement seal for Model #400A fill valves is a quick and easy way to restore your toilet fill valves performance. A direct replacement seal which fits the universal Fluidmaster 400A toilet fill valve, the #1 selling toilet fill valve worldwide. This part offers an easy way to solve common toilet fill problems without the need of purchasing a new toilet fill valve. Use this design to extend the life of an otherwise effective fill valve. Built with quality in mind this design comes with a 1 year warranty.

  • Extend the lifespan of your 400A toilet fill valve
  • Easy install
  • Direct replacement for Fluidmaster model 200, 400 and 747 models
  • Fix a broken fill valve without purchasing another valve
  • 1 year warranty

Proposition 65 Information

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Manufacturer Warranty
1 year
Pack Size
Plumbing Part Type
Toilet Fill Valve
Product Depth (in.)
Product Height (in.)
Product Width (in.)
Standard Color Family
Valve Type
Made in the USA


1 year