Fluidmaster K-400H-039 perforMAX valve close-up for reliable fills
Fluidmaster K-400H-039 2-inch flapper kit attached to toilet
Adjustable-height Fluidmaster K-400H-039 fits many tanks securely
Solid frame seal of Fluidmaster K-400H-039 ensures tight connection
Corrosion-resistant flapper in Fluidmaster K-400H-039 extends valve life
PerforMAX water-saving flapper included with Fluidmaster K-400H-039
Easy installation of Fluidmaster K-400H-039 for DIY upgrades
7-year warranty on Fluidmaster K-400H-039 demonstrates reliability
Toilet setup with Fluidmaster K-400H-039 ready for use

Fluidmaster

Fluidmaster K-400H-039: High-Performance Toilet Fill Valve with 2-Inch Flapper Kit

High-performance tools and home improvement made for confident daily results

$24.88

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Why customers choose TaskHolt Tools

Overview

Refresh your toilet’s performance with the Fluidmaster K-400H-039, a high‑performance PerforMAX fill valve paired with a 2‑inch flapper kit. Built to offer precise water control and reliable refills, this kit is designed to suit a wide range of 2 inch flush valve toilets while delivering quiet operation and steady flush cycles. The combination of a durable fill valve and a corrosion‑resistant flapper helps restore smooth, consistent behavior to daily use without demanding extensive upgrades.

Why it stands out

  • The PerforMAX fill valve provides high performance with adjustable tank and bowl water for precise water control across your toilet cycle.
  • Includes a 2 inch Flapper Kit to refresh modern 2 inch flush valve toilets and promote consistent flushes.
  • Fast and easy to install, making it a practical DIY upgrade for many homes.
  • PerforMAX Water‑Saving Flapper included to support more efficient water use per flush.
  • Adjustable fill valve height to fit a broad range of tanks, with a solid frame for a secure seal.
  • Corrosion‑resistant flapper and a 7‑year warranty for long‑term reliability.

Real‑world use and benefits

  • Upgrade worn or aging components to improve refill timing and reduce running water during refills.
  • Achieve more predictable fill levels and steadier bowl water for a consistent flush feel.
  • Ideal for bathrooms where a quick DIY upgrade plus reliable performance matters to daily routines.
  • Durable materials and a generous warranty provide reassurance for long‑term maintenance without frequent replacements.

What to expect during installation

The kit is designed to integrate with most 2 inch flush valve configurations and comes with simple parts for a secure seal. While installation time can vary, many homeowners find it a straightforward upgrade that revitalizes toilet performance with minimal tools.

Note

Always verify compatibility with your specific toilet model and follow the included instructions for best results.

FAQ

Q: What is included in the Fluidmaster K-400H-039 kit?

A: The kit includes the PerforMAX fill valve, 2-inch flapper kit, adjustable height feature, corrosion-resistant flapper, solid frame, and a 7-year warranty.

Q: Is installation easy for DIY bathroom upgrades?

A: Yes, designed for fast, straightforward installation on most 2" flush valve toilets; includes parts needed for a secure seal.

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