Toto Flush Problem

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Terry

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The original flapper on my Toto toilet had a plastic "fin" on the other side of the fill pipe. This design delayed the drop of the flapper.
The fin has been replaced with the blue power gravity flapper found at any Lowes Hardware.

toto_cst854_inside_tank.jpg
 

rhutchin02

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My post

Terry,

I understand that this replacement is available as I have already installed it. But the problem is this replacement does not function properly. Why did they have the fin in the first place? And why did they do away with it without offering one that works properly?
 
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Terry,

I understand that this replacement is available as I have already installed it. But the problem is this replacement does not function properly. Why did they have the fin in the first place? And why did they do away with it without offering one that works properly?

Be more specific. What is happening? "Does not function properly" is a akin to saying "my car is broken, fix it."
 

rhutchin02

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toto problem

The problem is the flapper has no hang time and closes too quickly. It would seem that toto designed that "fin" so this would not happen.
 

Peanut9199

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The replacement has been around for years and years and that is what has been installed in the newer toilets and there has not been any problems with them not working.

The flapper you get as a replacement has links that need to be adjusted to each toilet, did you check the link chart on the back of the package?
 

Terry

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ms894_inside_tank.jpg

Are you looking at this old Prominence one-piece toilet?
It has the flapper for timing, and a top button on the lid.

ms894_angle.jpg

TOTO Prominence MS894114 one piece toilet.

This model has been discontinued.
The last one I sold was eight years ago.

Parts for the MS894114
 
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Terry

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cst454_old_inside_tank.jpg

Looking inside an old TOTO Ultimate.
The fill valve is made by Hunter, which was bought by Korky.
The Korky parts will work.

The flush valve uses a rubber disk under the plastic part that lifts up.
It can be replaced with the Blue 3" replacement flapper for Toto by Korky.

The fill tube in the picture should have been pointed into the overflow tube.
It's the fill tube that refills the bowl.

toto_cst854_inside_tank.jpg

Here is a new Toto Ultimate
 

JoeHenryLR

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I have the Toto Drake ST743S, purchased/installed in 9/2009.

The problem I'm having intermittently is that filling continues after the tank is filled to top of overflow tube. So, filling continues and overflow goes down overflow tube.

Does this sound like a flapper/flush valve symptom?

I have tried wiggling and/or pushing down on fill valve...seems like this has worked to stop filling a few times but not every time. I have tried pressing down on flapper to ensure good seating; this has never worked. I have tried turning water off and back on; this seems to have worked a time or two but, again, not every time...and much less often than messing with fill valve assembly. I can't determine what is causing overfill to continue or to stop.

We are on a private well, which from time to time has "issues" which typically sends a good bit of grit/mud through the system. The inside of the toilet tank is a muddy brown (up to water line) and there's silt on the inside bottom of the tank.

Thanks. Joe
 
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