3" Toto Toilet Flapper - Pack of 2

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$15.84
Regular price Save 10% $17.59 Sale price
$15.84
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3" Toto Toilet Flapper - Pack of 2

Key Features

  • Fits standard 3-inch toilet flush valves
  • Durable, chlorine-resistant rubber construction
  • Includes stainless steel chain and hook
  • Adjustable design allows for water volume control
  • Package contains two flappers

Replaces / Cross-Reference Part Numbers

  • THU138S
  • THU175S
  • THU331S
  • THU499S
  • THU500S

Compatibility & Fitment

  • Designed for TOTO brand toilets with 3-inch flush valves
  • Compatible with TOTO G-Max systems
  • Fits TOTO models including: CST854, CST864, CST866, CST884

When to Replace

  • Toilet runs constantly or intermittently
  • Water audibly leaks from the tank into the bowl
  • A weak or incomplete flush occurs
  • Visible signs of warping, decay, or damage on the existing flapper

Installation Tips

  • Shut off the water supply and flush to empty the tank before installation.
  • Ensure the flush valve seat is clean and free of debris for a proper seal.
  • Adjust the chain to have approximately 1/2 inch of slack when the flapper is closed.
  • After installation, turn the water supply on and test the flush.
  • Installation typically requires no tools.