EZ-FLUID Korky 528GT fill valve inside Toto tank for easy replacement
EZ-FLUID Korky 528GT assembly with hardware shown for quick DIY repair
EZ-FLUID Korky 528GT blue valve near tank edge showing TSU99A.X compatibility
EZ-FLUID Korky 528GT adjustable height from 8.5 to 14 inches for versatile installs

EZ-FLUID

EZ-FLUID Korky 528GT Toto Universal Toilet Fill Valve Replacement – Adjustable 8.5 to 14 inches, TSU99A.X Compatible

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

$53.07

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Why customers choose TaskHolt Tools

Overview

The EZ-FLUID Korky 528GT is a universal fill valve replacement kit designed for Toto toilets. This inside-tank repair solution features a blue valve body and a compact profile that fits a wide range of Toto models, including TSU99A.X and other fill valves. Built to restore reliable operation, it offers a straightforward upgrade path for leaky or noisy tanks without a full valve overhaul.

Key compatibility and fit

  • Compatible with TOTO TSU99A.X and most Toto fill valves, offering a universal inside-tank replacement option.
  • Specific fit for a broad lineup of Toto models, enabling a simpler retrofit without major plumbing changes.
  • Replaces common Toto valve parts such as TSU18A, TSU36A, TSU09A, TSU17A, TSU30A, TSU31A, TSU13A, and more.

Adjustable height for a precise install

The valve height adjusts from 8.5 inches to 14 inches, accommodating different tank depths and fill heights for a snug fit.

What’s included and warranty

  • Fill valve assembly with mounting hardware for straightforward installation.
  • 5-year limited warranty for added peace of mind.

Real-world use and benefits

Use this kit when upgrading an aging fill valve, repairing a running toilet, or replacing worn components. You may experience more consistent fills and potentially reduced water waste, depending on your toilet’s setup.

Design and durability notes

The blue valve body signals a genuine Toto universal replacement option, crafted to withstand typical bathroom conditions with durable seals and reliable mounting components. This kit is designed to provide a balanced water delivery profile across a variety of Toto configurations.

What to expect in your setup

  • Simplified replacement with included hardware reduces installation guesswork.
  • Versatile height range supports multiple tank designs for a cleaner, quieter fill cycle.

FAQ

Q: Is the EZ-FLUID Korky 528GT compatible with all Toto toilets?

A: Yes, it fits the TSU99A.X and many other Toto fill valves, offering a universal inside-tank replacement.

Q: What’s included and what warranty does the kit have?

A: The kit includes the fill valve and mounting hardware, and is backed by a 5-year warranty.

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