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Toto GMax Flushing System drips

This Toto toilet is great. However, while it does not run, one the tank fills up it continues to drip into the fill/drain pipe. Adjusting the flow level does not change this. What can I do to stop the dripping?

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  • Anonymous Dec 10, 2008

    I have the same problem on 2 of mine.



  • robinaharris Dec 17, 2008

    cant work out how to take top off cistern

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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

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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.
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Good Toilets!

sanray

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