Fluidmaster K-400H-038-T4 performax kit front view, universal 3-inch compatibility
Fluidmaster K-400H-038-T4 fill valve detail for fast, quiet refill
Fluidmaster perforMAX 3-inch flapper included for reliable flush control
Fluidmaster K-400H-038-T4 fill valve profile with height adjustment
Fluidmaster universal gasket for 3-inch toilets with secure seal
Fluidmaster stainless steel hardware for durable installation
Fluidmaster kit includes install tools for easy setup

Fluidmaster

Fluidmaster K-400H-038-T4 PerforMAX 3 in Everything Toilet Repair Kit | Universal 3-Inch Kit

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

$46.83

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Why customers choose TaskHolt Tools

Overview

The Fluidmaster K-400H-038-T4 PerforMAX 3 in Everything Toilet Repair Kit is crafted to tackle common 3 in flush valve toilets with a single, all in one solution. Designed to simplify repairs, this universal kit brings together critical components in one package, so you can move from diagnosing issues to a complete fix without hunting for separate parts.

With an emphasis on ease of installation, the universal design fits most 3 in flush valve toilets and includes helpful install tools. The PerforMAX fill valve is engineered for a faster, quieter refill, while the adjustable tank and bowl dials let you tailor water use to your preferences. The height is adjustable to fit a wider range of tanks, reducing the need for trimming or improvising during replacement.

Key benefits at a glance

  • Universal tank to bowl gasket works with most 3 in valve toilets, including Toto and American Standard
  • Adjustable 3 in flapper to accommodate different valve configurations
  • Durable stainless steel hardware designed for long lasting performance
  • Fast and quiet refill from the PerforMAX fill valve for a smoother daily use
  • Easy height adjustment to fit a broad set of tank heights
  • Includes install tools to help complete the job efficiently
  • 7 year warranty provides extended confidence in the repair

How it fits into daily life

For households with frequent valve or seal issues, this kit offers a practical upgrade that can reduce the frequency of calls to repair services. The universal compatibility and adjustable components mean it can accommodate variations in toilet models, reducing the need for multiple purchases over time.

When you choose the K-400H-038-T4 kit, you are equipping your bathroom with a single, coherent repair solution designed for straightforward installation and reliable operation. The stainless hardware and dependable gasket help support a tight seal, while the 7 year warranty adds a layer of long term assurance without committing you to a single vendor.

Tips for a smooth install

  • Set aside time to read the included instructions before starting
  • Double check all components are present and match your toilet model

FAQ

Q: Is the K-400H-038-T4 compatible with 3 in flush valve toilets from major brands?

A: Yes, it fits most 3 in flush valve toilets, including Toto and American Standard.

Q: What exactly is included in the kit and can I install it myself?

A: The kit includes the PerforMAX fill valve, adjustable flapper, gasket, stainless hardware and install tools; many homeowners complete installation with basic steps.

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