Hibbent 3-inch flapper with oversized seal for Toto toilets.
Hibbent flapper with flexible red rubber for durability and chlorine resistance.
Hibbent Toto G-Max compatible flapper fits THU138S THU175S THU331S.
Hibbent stainless steel chain with clip hook for secure connection.
Hibbent easy-install toilet flapper requires no tools.
Hibbent 3-inch flapper supports Toto model range for versatile use.
Hibbent two-pack replacement saves time and effort.
Hibbent oversized sealing surface helps prevent leaks on large valves.

Hibbent

Hibbent 2 Pack Large 3-Inch Toilet Flapper Replacement for TOTO G-Max (THU138S, THU175S, THU331S) | Easy Install

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

$33.13

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Why customers choose TaskHolt Tools

Hibbent 2 Pack Large 3-Inch Toilet Flapper Replacement

Upgrade your toilet’s flush with the Hibbent 2 Pack Large 3-Inch Toilet Flapper Replacement. Built for Toto G-Max 3-inch oversize valves, these flappers feature an oversized sealing surface that aligns with large valve openings for a consistent seal and reliable refills. The design emphasizes a responsive seal that reacts quickly to each flush, reducing the chances of minor leaks between uses and supporting efficient water use in everyday homes.

Key benefits

  • Oversized sealing surface compatible with large 3 inch Toto valves.
  • Flexible red rubber (TPR) delivers a secure seal and extended durability.
  • Chlorine resistance and formulation designed to withstand municipal water treatment and common hard water conditions.
  • Broad compatibility within the Toto G-Max ecosystem, including THU499S, THU175S, and 2021BP models.
  • Stainless steel chain with clip hook provides dependable operation and easy adjustments.
  • Two-pack for convenient replacement planning and ongoing maintenance.

What you get

  • 2 x 3" flappers for oversized Toto valves
  • Stainless steel chain with clip hook
  • Simple installation guidance

Compatibility and coverage

The flapper is designed for 3" flush valve openings and is compatible with a wide list of Toto models, including G-Max configurations and models ST743S, ST744S, ST754SF, ST764S, ST774S, ST784SF, ST94SF, ST814S, CST756204SF, SCT853S, CST845S, and CST874S. This breadth helps support replacements across multiple Toto bathroom configurations.

Easy installation

Designed for tool-free replacement, the flapper installs quickly. Steps: remove the old flapper, seat the new one in the designated location, and connect the chain to the flush lever. The included chain with clip hook stays securely in place for reliable operation.

Care and maintenance tips

  • Verify the valve opening size before installation to ensure a perfect fit.
  • Aim for a snug, level seating to maintain a consistent seal.
  • Periodic inspection of the chain tension can help prevent improper flushing.

FAQ

Q: Is the Hibbent 2 Pack compatible with Toto G-Max models?

A: Yes. The 3-inch oversize flapper is designed for Toto G-Max models THU138S, THU175S, and THU331S.

Q: How easy is installation?

A: No tools are required; remove the old flapper, fit the new one in place, and attach the chain.

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