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Replace a Canister Flapper Seal

The canister style flush valve seal is easily replaced.

  1. Turn off the water supply to the toilet.
  2. Turn the guide, located in the center of the canister, a 1/4 turn counterclockwise; the white refill tube connects into the top of the guide (Fig. 1).
  3. Lift the canister out of the tank (Fig. 2).
  4. Pull the red or yellow seal off the bottom of the canister and replace it with a new seal (Fig. 3).
  5. Reinstall the canister by lining the tab on the bottom of the guide with the slot of the flush valve and rotate it clockwise to lock the canister back into place (Fig. 4).

Fig. 1

Fig. 2

Fig. 3

Fig. 4

 

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