20 Most Recent Toto CST414M-11 Aquia Dual Flush Elongated Toilet - Colonial White Questions & Answers

change and or adjust the flapper valve if the chain is to long flapper wont stay open long enough for the water to drain into the bowl

Toto CST414M-11... | Answered on Apr 20, 2013

here is a link to Toto's website, just click on your model number to download the instruction and installation manual.


Toto CST414M-11... | Answered on Aug 20, 2010

You may need to replace the fill valve

Toto CST414M-11... | Answered on Jul 01, 2010

Sounds like the adjust on the flapper has to much slack on the chain. It's not raising it up enough to flush correctly.
Adjust that and make sure water level in tank is correct at least up to mark in tank or about 5/8" to top of overflow .
Also check fill line and make sure it is connected to overflow also this allows bowl to fill up.

Toto CST414M-11... | Answered on Jun 15, 2010

Replace the wax ring between the toilet and flange in the floor drain. Clean out the wax of the old ring very well.

Toto CST414M-11... | Answered on Oct 11, 2009

Yes, that is likely the problem. I reccomend going with the old tried and true reliable wax ring seal.

For each toilet I put in I install the poly reinforced wax ring with horn. This has consistently served to prevent leaks and call backs alowing me to have no warranty issues.

I reccomend it over the rubber seal anyday.

Here is a pic of the poly reinforced wax ring with flange.
Here is a link to ace hardware's product.
These can also be found at any plumbing supply house Lowes, or HD.

Toto CST414M-11... | Answered on Oct 11, 2009

You have two issues inside of the toilet tank. The holding down the button is caused by your chain not being tight enough from the handle to the flapper. Take the slack out of that and replace the flapper. The second is that you need to replace the fill valve. This is what is making the noise when the tank is being refilled, and will have to be adjusted after it is installed.
Please remember to rate this.

Toto CST414M-11... | Answered on Apr 07, 2009

Make sure that the fill valve doesn't have debris caught inside near the valve needle. Also the tube that attaches onto the flush valve can become clogged near the fill valve as well. Remove the hose and then take a needle and try and clear the outlet. Blow through the tube to insure that it's not blocked as well.

Toto CST414M-11... | Answered on Mar 19, 2009

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Toto Home | Answered on May 30, 2019

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Toto Home | Answered on May 30, 2019

Remove the screw, then go to any store selling nut. Show your original screws, You can ask them plastic type nut. Buy also small silicon tube. This is use to hold the nut after you put it back the screws.

Toto Home | Answered on May 07, 2019

shut off the cap lock sheesh. have you even looked at the seat to see how its mounted yet??

Toto Home | Answered on Feb 18, 2019

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