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Incompete toilet flush with unusual Toto flapper

I have a low volume Toto toilet with an unusual flapper assembly. It is a rigid plastic rocker with a large gasket to cover the 3" drain at one end and a thin plastic fin on the other end. The fin is driven downward by the water flow and released when the flow stops. As long as the fin is down the drain is open. However it now closes too quickly and there is an inadequate flush. Any suggestion on how to fix? The part does not seem to be made any more.

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  • Master
  • 979 Answers

You problem is that the weight of the flapper is too much when it is supposed to be floating. I think there is an adjustment you can make on it to close it up some or try shortening the chain a notch or two to give it a higher lift in the water. Then the buoyancy of the flapper would allow it to stay suspended in the water longer thus allowing a more complete flush.

Posted on Feb 03, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

arealplumber
  • 33 Answers

SOURCE: Toto GMax Flushing System drips

What you are experiencing is a flapper valve problem. Since I don't know what model you have I will give you a link to the generic GMax unit. Here is the parts breakdown for a GMax

Toto GMax

I would suspect you need part #7 on this diagram a flapper valve. Take the old one with you since different colors ones are used on different models. You should go to the Toto site to locate a dealer first. You can find their site here:

Toto USA

Hope this helps and please remember to rate this!

Posted on Dec 09, 2008

picatudo
  • 239 Answers

SOURCE: toilet not flushing properly

there are allot holes around rime inside they get clogged over time because water quality very hard to get there to clean best bet replace toilet

Posted on Jan 04, 2009

  • 14 Answers

SOURCE: Toto Toilet - no water flow to refill tank after flush

Remove the tank lid and look at the fill valve. Is it a yellow valve?
This fill valve is common on the Toto Toilets and can easliy plug with debrie.

They can be disassmbled and cleaned. however, I usually just replace the valve with Fluid Master Fill valve.
You will also want to check the water coming into the toilet by turning off the water that supplies the toilet and disconnecting the water supply line. After removing the water supply line turn on the water at the valve to make sure that the water is flowing properly. Check the supply line also to make sure it is not plugged.
Be sure and place a small container to catch the water that will come from the valve. A towell will also help from making too much of a mess.
If the Supply line and the valve are clear the problem is in the fill valve.
The G-Max system denotes the Flushiing system which is a 3" flapper that allows the water from the tank to flow into the bowl quicker.
Good Toilets!

sanray

Posted on Jan 10, 2009

kachbibi1
  • 979 Answers

SOURCE: Toto Dartmouth toilet flapper/chain design flaw

Your right this is a poor design. Space was the main reason for this and functionality was sacrificed. However, you can get a replacement rod at a major plumbing store. You could rig it by attaching a stem to the valve assembly. Allow the chain or rubber piece to slide over it. It is kind of like putting a permanent finger in the path of the chain to give it a "direct" lift up. This would then force the chain to go up instead of at an angle.

Posted on Jan 28, 2009

  • 33 Answers

SOURCE: Gmax flushing system won't stop

WATER LEVEL IS NOT PROPERLY ADJUSTED. REDUCE WATER LEVEL TO FILL LINE

Posted on Jan 07, 2010

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