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TOTO Aquia® IV One-Piece Elongated Dual Flush 1.28 and 0.8 GPF Universal Height, WASHLET®+ Ready Toilet with CEFIONTECT®, Bone-

SKU: MS646124CEMFG#03

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  • Product Type Floor Mount One Piece Toilet
  • Length 28.25"  Width 15.1875"  Height 28.125" 
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  • Finish Bone
  • 3 Finish Options

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Product Details

TOTO MS646124CEMFG#03

The Aquia IV One-Piece Elongated Dual Flush 1.28 and 0.8 GPF Universal Height WASHLET® Ready Toilet with CEFIONTECT® is the epitome of modern form and function. The skirted design conceals the trapway, which enhances the elegant look of the toilet and adds an additional level of sophistication. The one-piece design is not only aesthetically pleasing, but also offers the benefit of being easier to clean versus a two-piece toilet. By removing the gap between the tank and bowl, we eliminate the hiding place for dirt and debris. An additional benefit of the one-piece toilet is that there is no threat of leaks from bolts or gaskets that can occur in two-piece toilets. The Aquia IV features TOTO’s DYNAMAX™ TORNADO FLUSH®, utilizing a 360 degree cleaning power to reach every part of the bowl. This version of the Aquia IV includes CEFIONTECT technology, a layer of exceptionally smooth glaze that prevents particles from adhering to the ceramic. This feature, coupled with DYNAMAX TORNADO FLUSH, helps to reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. The enhanced design of the Aquia IV inner bowl reduces water flow resistance and turbulence, resulting in a quieter flush. The chrome center-mounted push button that sits atop of the tank allows you to proactively conserve water by choosing between a 0.8 GPF rinse or 1.28 GPF for tougher jobs. This version of the Aquia IV offers TOTO T40 WASHLET compatibility for when you are ready to upgrade. WASHLET toilets feature a channel on the bowl surface to help conceal your WASHLET supply line and power cord for seamless integration. The Universal Height design allows for a more comfortable seat position across a wide range of users. The TOTO Aquia IV meets the standards for EPA WaterSense®, and California’s CEC and CALGreen requirements. The Aquia IV comes ready for install into a 12'' rough-in, but may be adapted for a 10'' or 14'' rough-in with the purchase of a separately sold adapter. Includes a SoftClose® toilet seat (#SS124). Additional items needed for installation and use must be purchased separately: wax ring, toilet mounting bolts, and water supply lines.


  • Finish Bone
  • Collection Aquia
  • UPC 739268344488
  • Online Product ID 5086036
  • Length 28.25"
  • Width 15.1875"
  • Height 28.125"
  • Made In USA
  • Oversized yes
  • Made in USA yes
  • Watersense yes
  • Flow Rate (GPM) 1.28 gal/min
  • Material Vitreous China
  • Warranty Manufacturer One Year Limited
  • Shape Elongated
  • Trapway Skirted
  • Prop65 Warning This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects, and other reproductive harm. For more information go to www.P65Warnings.ca.gov.
  • Flush Lever Location Center
  • Flush Valve Size In 2.5
  • Mounting Type Floor Mount/Floor Outlet
  • Rim Height In 16.125
  • Rough In In 12
  • Trapway Diameter In 2.5
  • Shipping L:32"x W:20"x H:28.75" 122 lbs.

Additional information

  • DYNAMAX TORNADO FLUSH utilizes 360 degree cleaning power to reach every part of the bowl
  • Highly efficient dual flush system promotes water conservation
  • CEFIONTECT ceramic glaze prevents debris and mold from adhering to ceramic surfaces
  • Bowl design reduces water flow resistance and turbulence, resulting in a quieter flush
  • Completely skirted design for a sleek and understated look
  • Elongated one-piece toilet, easier to maintain versus a two-piece toilet
  • TOTO WASHLET+ upgrade compatibility: designed to work with a T40 WASHLET+ bidet seat for seamless integration
  • Lid-top chrome dual flush push button - Select 1.28 or 0.8 GPF
  • Universal Height allows for more comfort across a broader range of individuals
  • WaterSense®, CALGreen, and CEC compliant
  • SoftClose seat included-No more slammed lids
  • 12'' Rough-in
  • May be adapted for 10'' or 14'' rough-in with optional TOTO parts: TSU08W.10 or TSU08W.14 (sold separately)
  • Included parts: TOTO SS124 SoftClose seat, tank to bowl gasket, tank to bowl hardware, and toilet bolt caps: Purchased separately: wax ring, toilet mounting bolts, and water supply lines

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