Question about Toto CST414M-11 Aquia Dual Flush Elongated Toilet - Colonial White

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How do i replace a fill valve of a Toto Aquia II. I can't reach the underside of the tank where I suspect the coupling nut is located. Do i need to remove the entire tank?

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  • David Pan Aug 07, 2013

    I'm facing the same problem. It appears you have to take the tank out to access the coupling nut below the tank.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 33 Answers

SOURCE: FAMILIAR WITH TOTO AQUIA TOILETS

Everything you need to know about Toto! Hope it helps!
http://www.totousa.com/Default.aspx?tabid=215#

Posted on Jan 27, 2009

kachbibi1
  • 979 Answers

SOURCE: I purchased a Toto Aquia

If this is one of those models that most people have, the valve that shuts the incoming water off when the tank is filled is probably bad. It only costs about 8-10 dollars to replace. This valve is actually a stem or tree shaped device.

Posted on Jan 28, 2009

manhandy
  • 146 Answers

SOURCE: Toto runs non-stop; won't shut off

float is sticking make sure it is moving up and down.or the float is set to low, the lower the float is higher the water level is.

Posted on Jun 24, 2009

  • 62 Answers

SOURCE: Looking to buy/install Toto Aquia II in my circa 1964 co-op apt.

When you say 10.5 inches from wall, do you mean that from the center of the drain in the floor to the back wall is 10.5 inches? If so, you need a toilet for a "10 inch rough-in" dimension. The Aquia doesn't come in that dimension. Sorry!

Caroma Sydney Smart model 270 comes in a 10 inch rough-in and is a dual flush model. Note that all dual flush toilets are fairly expensive as compared to normal toilets. HOWEVER, genrally speaking, ALL 10 inch rough-in toilets are fairly expensive just because the low volume that are sold.

Posted on Jul 11, 2009

  • 1 Answer

SOURCE: Push Button - Have to Hold Down Button

I had the same problem with mine and I lifted the tank lid off and
extended the rods they are threaded and turned them out a few turns and returned the lid back on and no more holding down the buttons

Posted on Jan 17, 2010

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Is the water leaking from the tank onto the floor or at the water valve located where it comes in from the wall.

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Check to make sure the valve that goes from the back of the toilet to the wall is open.

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Toilet flushes fine but when the tank has filled it seems like the float ball keeps bobbing up and down letting more water or air into the tank. it will do this 5/6 times then quits. its almost like it is...


The ball float follows the tank water level, and repeated cycles of the float dropping and opening the fill valve would likely reflect a leak in the flush valve. You could try adjusting the float arm downward so that it will respond to a lower water level. Try turning off the supply valve, flushing it and listen for water leaking past the flush valve after it closes. If it does, replace the flapper or adjust the chain.

Nov 13, 2010 | Toto Aquia II Dual Flush Toilet

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The toilet see is not tight. How can I tighten the seat? I have an elongated seat with the soft closing lid.


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Right behind the bowl on the underside there is a nut on either side that holds the seat on...tighten those nuts and it will tighten down the seat...

heatman101

Aug 29, 2010 | Toto Aquia II Dual Flush Toilet

1 Answer

REMOVAL OF TOTO AQUIA TOILET


first shut off water and then flush the john. this will remove most of the water. for water remaining in tank us a sponge or similar to remove remaining water. find where toilet bolts to floor and remove these bolts or nuts. then pick whole toilet from floor, there should be a wax ring under toilet, replace wax ring when putting back in. when putting back in just push down on toilet to squish wax ring and bolt to floor, turn on water and check for leaks. good luck

Apr 16, 2010 | Toto Aquia II Dual Flush Toilet

1 Answer

Constantantly dripping after tank is full


WHAT IS DRIPPING,?THE TANK ?OR IS STILL FILLING UP ?IT SOUNDS LIKE YOU NEED TO ADJUST THE WATER LEVEL TO THE PROPER 1.6 GALLONS PER FLUSH,WHICH IS MARKED ON THE INSIDE OF YOUR TANK SOMEWHERE,CAUSE WHAT YOUR HEARING IS THE WATER RUNNING DOWN THE OVERFLOW TUBE

Apr 09, 2010 | Toto Aquia II Dual Flush Toilet

1 Answer

Our Aquia Dual Flush Toilet starts running in the middle of the night. We would like to take care of the problem ourselves, without calling a plummer. Please advise.


it could be the flapper or a bad fill valve. you can easily replace these yourself. they sell kits at lowe's and home depot, or most hardware stores. they are pretty inexpensive and should only take about 15 minutes

Dec 18, 2009 | Toto Aquia II Dual Flush Toilet

1 Answer

Toilet will not flush


You need to replace the fill valve with a oem replacment valve. You need to use toto parts.

Mar 07, 2009 | Toto Aquia II Dual Flush Toilet

1 Answer

I purchased a Toto Aquia II Dual Flush Toilet, around a year ago. No problems until now. The toilet won't flush. It doesn't appear to be running at all.


If this is one of those models that most people have, the valve that shuts the incoming water off when the tank is filled is probably bad. It only costs about 8-10 dollars to replace. This valve is actually a stem or tree shaped device.

Jan 14, 2009 | Toto Aquia II Dual Flush Toilet

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