Toto CST412MF.10 Cotton Aquia Two Piece Elongated 0.9 GPF Toilet with Dual Max Flush System - Less Seat (10" Rough-In)

- Item #: BCI1221440

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  • How to remove and install a Toilet
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Product Features:

  • Two-piece configuration provides a classic look and allows for easier access to or around the toilet
  • Elongated bowl gives a modern and comfortable look and feel extending out an extra 1-1/2” compared to a round configuration
  • Covered under a one year limited warranty
  • Toto is a leading manufacturer in plumbing and provides the newest and most advanced products on the market
  • A beautiful design, with high quality parts, and a reasonable price. 
  • Made from vitreous china
  • An easy to install floor mounted installation
  • Dual flush technology, allowing you to choose the flush that you need
  • Comfort height – Providing a higher seat, designed for comfort and easy use
  • WaterSense certified – toilet uses 20% less water than the current standard while maintaining superior performance
  • Concealed trapway – providing a smoother, sleeker and less utilitarian appearance, a built in skirt hides the discharge passageway from view

Product Specifications:

  • Overall Height: 31-1/4” (measured from the bottom of the base to the highest point on the toilet)
  • Overall Length: 27-1/2” (measured from the back of the tank to the front of the rim)
  • Overall Bowl Width: 14-1/4" (measured from the furthest point on the left to the furthest on the right)
  • Bowl Height: 16-1/8” (measured from the bottom of the base to the rim)
  • Flow Rate: 0.9, 1.6 gallons-per-flush
  • Water Area: 6” x 4-1/2” (inner rim dimensions length X width)
  • Tank Width: 15-3/8” (measured from left most to right most points on tank)
  • Trapway (Discharge Passageway)Size: 2-1/8”
  • Distance Between Toilet Seat Installation Holes: 5-1/2”

About Toto:

When it comes to Toto, being just the newest and most advanced product has never been nor needed to be the primary focus. Toto's ideas start with the people, and discovering what they need and want to help them in their daily lives. The days of things being pretty just for pretty's sake are over. When it comes to Toto you will get it all. A beautiful design, with high quality parts, inside and out, that will last longer than you ever expected. Toto is the worldwide leader in plumbing, and although they are known for their Toilets and unique washlets, Toto carries everything from sinks and faucets, to bathroom accessories and urinals with flushometers. So whether it be a replacement toilet seat, a new bath tub or a whole new, higher efficiency money saving toilet, Toto has what you need, at a reasonable price.

Additional Toto Links

Our SKU: Toto CST412MF.10

This product is listed under the following manufacturer number(s):

  • Toto CST412MF.10#01

*Denotes a finish or option that has been discontinued

Toto CST412MF.10#01 Product Specifications

Owners Manual
Specification Sheet
Installation Template
Parts Guide
Bowl Height 16.13
Bowl Shape Elongated
Comfort Height Yes
Concealed Trapway Yes
Configuration Two Piece
Depth 27.5
Flush Technology Dual-Max
Flush Type Dual Flush
Flush Valve Size 3
Gallons Per Flush .9, 1.6
Height 31.25
Installation Type Floor Mounted
Insulated Tank No
Material Vitreous China
Rough In 10
Seat Included No
Theme Modern
Trapway 2.13
Trip Lever Placement Left
Water Efficient Yes
WaterSense Certified Yes
Width 14.25

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Toto CST412MF.10 Reviews

Rated 4 out of 5 by from nice to look at I bought this toilet because of the way it looks, and am very happy with that. It looks very cool in my ultra-modern bathroom. However, with such an expensive toilet, I would have expected it to flush better (I often have to flush several times). I was also quite shocked that it didn't have a lined tank!!!! Luckily it's just in a powder room, so it only makes puddles on the floor when we have parties (and therefore lots of flushing). For the do-it-yourselfer, the toto installation is very different from other toilets. In the end, I like it, but just be aware you'll need to learn a new technique.
Date published: 2012-03-18
Rated 4 out of 5 by from Very Happy! We bought this toilet because of the great reviews Toto toilets have and because of the smooth sides for easy cleaning! After years of trying to keep toilets clean I wanted something without nooks and crannies. This toilet is very easy to clean and stays that way! The only down side, is because of the confirguration inside the bowl, some times you get um....."stickage" and not everything is flushed down. Otherwise it's a great toilet, well made and easy to clean. Would replace our other 3 toilets with this one if we could afford it!
Date published: 2011-04-20
Rated 5 out of 5 by from Toto Dual flush elongated 10" rough toilet Needed to have a 10" rough after I built a wall to close to the flange. I shopped around and found Faucet Direct willing to price match from a competitors website. The sales person was helpful. I came back to this person because I had purchased other items from Faucet Direct in the past and had received good service from this person. So from the price match and the good service, I returned and made the purchase. I will be back again for other purchases. As for the toilet, we are in the middle of a major bathroom remodel and have not installed the toilet yet. My neighbors has the same toilet and expect the same quality and performance as his. Hopefully will be installed in about 2 weeks.
Date published: 2011-05-29
Rated 5 out of 5 by from Looks great We bought this for a pool house bathroom because we needed something a little smaller. Love it. Looks updated with clean lines. We are actually going to replace the toliets in our home with this one. I love the push button flush. Saves water with two flush modes.
Date published: 2011-05-02
  • Can you tell me the distance from the centerline of the waste drain to the back of the bowel at the floor.

    A. The Toto CST412MF.10 dimension that you request is also known as the Rough-In dimenions; for this toilet it is 10 inches.
  • How much does this toilet weigh?

    A. The Toto CST412MF.10 is 95 lbs.
  • Do you have a 10", elongated toilet with comfort height?

    A. The only 10" elongated comfort height toilets we sell are commercial toilets. Such as the Toto CT705EN.
  • Does this toilet come in a 19 or 18 inch height?

    A. The Toto CST412MF.10 is 17.25 inches tall. Toto does not currently make a residential toilet that is 18-19 inches tall.
  • Does this toilet come with the toilet seat?

    A. The Toto CST412MF.10 does not include the toilet seat.
  • Since the e-max flushing system is the quietest, how does the dual-max compare?

    A. These two are very similar in how quiet they are. I would say the e-max is a little more durable and little bit more quiet. But there both great items.
  • What is the difference between model CST416MF and CST416MF.10?

    A. The Toto CST412MF.10 has a 10 inch rough-in (Distance from the wall to the center of the waste drain pipe) and the CST412MF is a 12 inch rough-in. I hope this helps!
  • where is the flush button on the CST412MF.10?

    A. The flush button on the Toto CST412MF.10 is on the top, center of the lid.
  • Is the surface glossy or matte?

    A. The Toto CST412MF.10 has a low glossy finish.
  • Is there a soft close seat that will work with this toilet?

    A. The Toto CST412MF.10 can be used with Toto SS204 SoftClose elongated toilet seat.
  • What are the dimensions for this toilet?

    A. 27-1/2" from front to back 15-1/4" wide 31-1/4" high
  • what is dual flush mean?

    A. The Toto CST412MF.10 is dual flush which means that you can set the amount of water that it flushes with. Either 1.6 gallons per flush or .9 gallons per flush. This is handy for being water effecient. Please let me know if you have any other questions or need help with anything else.
  • What material is the flush button made of?

    A. The Toto CST412MF.10 flush botton is made of plastic
  • is there a soft close seat

    A. The Toto CST412MF.10 is not listed to have a soft close seat.
  • What are the difference between Aquia, Aquia II and Aquia III toilet?

    A. The difference between the Aquia series are: The Aquia I and III are the same except the Aquia I can be ordered in multiple colors and a 10" rough in. The Aquia III can only be ordered in white. The Aquia II is the same except it is not ADA compliant.
  • What is the exact height for "Universal Height"?

    A. The bowl height for the cst412mf is 17.25".
  • Is this toilet considered a "high boy?"

    A. The Toto CST412MF.10 is 17.25 inches tall with a standard seat.
  • What is the difference between cotton and colonial white? Is one and "off" white and one a true white? Which is which? Thanks.

    A. The Toto CST412MF.10 does have several white options. The Cotton is going to be the true white. The Colonial White will be more of an off white.
  • What is the width and length of the base (bottom)? Also what is the measurement from the wall to the front & back of the base?

    A. The Toto CST412MF.10 base has a 10" width and a 27-1/2" length. The front of the base is 27-1/2" from the wall.
  • Which Toto "Washlet" (bidet attachment) is this model compatible with?


    The Toto CST412MF.10 toilet is compatible with the Toto SW502 Washlet.

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