Replacement cap for all Fluidmaster 400 series toilet fill valves. Quickly replace your faulty, or old fill valve cap with a new one to extend the life of your toilet fill valve.

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Product Review

Replacement cap for all Fluidmaster 400 series toilet fill valves. Quickly replace your faulty, or old fill valve cap with a new one to extend the life of your toilet fill valve.

  • Universal Compatibility: The Fluidmaster 385 Toilet Replacement Cap Assembly is designed to seamlessly replace the cap of 400A Fill Valves, ensuring compatibility with a wide range of toilets.
  • Durable Construction: Crafted with precision and durability in mind, this replacement cap assembly is built to withstand the rigors of daily use, providing long-lasting performance and reliability.
  • Enhanced Aesthetics: With its sleek black finish, the 4.75 x 3.75 x 1.47-inch cap assembly not only serves a functional purpose but also adds a touch of modern elegance to your bathroom.
  • Efficient Water Control: Experience improved water control and efficient filling with the Fluidmaster 385. The cap assembly ensures optimal functioning of the 400A Fill Valve.
  • DIY-Friendly Installation: Designed for easy installation, this replacement cap assembly comes with user-friendly instructions, making it a perfect choice for DIY enthusiasts.
  • Includes seal
  • Easily installs onto fill valve
  • Fixes leaks at cap
  • 1 year warranty

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