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TOTO Aquia IV Toilet Review (Tornado Flush)

Last updated: Nov 28th, 2024 by Katie Powell

 Note: We’re supported by our readers. We earn a commission from product purchases using affiliate links on our site. You help keep us growing! 

The TOTO Aquia IV toilet is a fantastic two-piece unit that offers several advanced features including the Dynamax Tornado flush system that utilizes 360-degree cleaning power to clean every corner of the toilet.

The universal height seat of the TOTO Aquia makes it ideal for people of all age groups.

Finally, the skirted design of the bowl reduces water flow resistance and turbulence, resulting in a quiet flush. This design also makes this toilet more manageable to maintain than most two-piece toilets.

Review of the TOTO Aquia IV Toilet (UPDATED)

Our team has gathered facts and researched the features of the Aquai toilet.

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Image of the TOTO Aquia IV toilet, highlighting features like a chrome push-button, quiet flush, DYNAMAX TORNADO FLUSH®, and CEFIONTECT™ Glaze.

“It’s simple, sleek, and efficient. The TOTO Aquia IV is the perfect pick for any bathroom and any user.”

Pro and Cons

  • TOTO Tornado Max flushing system with dual GPF options
  • Great color selection
  • CEFIONTECT glaze
  • Multiple reported incidents of broken toilet upon arrival in mail
Feature List

Flush Specs

  • › Flush System – Dynamax Tornado FlushTOTO Tornado Flush TechnologyA flush with centrifugal and cyclonic action that rinses waste away efficiently and keeps bowl cleaner
  • › Water Consumption –  0.8/1.28 GPFGallons Per FlushEfficient toilets use 1.28 gallons per flush, saving 20% more water than 1.6 GPF toilets.
  • › Type – DualFlush Type ExplainedA single flush is one press of the lever for a full flush. A dual flush allows the option for a partial or full flush.
  • › Flush Score – 800 MaPWhat is MaP?Grams of waste removed in a single flush. Scale = 0 - 1000

Design & Style

  • › Style – Two-PieceStyle ExplainedTwo-piece toilets has a separate tank and bowl. One-piece toilet has a seamless design of the tank and bowl.
  • › Bowl Shape –  ElongatedShape ExplainedElongated bowls are oval shaped and 2” inches wider than round bowls
  • › Bowl Glaze –  CEFIONTECT
  • › Trapway Style –  Concealed

Dimensions

  • › Toilet Measurements – ‎28-1/4″ x 15-1/2″ x 29-1/4″
  • › Rough-inWhat is a Rough-in?Measurement between center of waste pipe and wall –  12″
  • › Trapway SizeWhat is a Trapway?S-shaped curved channel inside the base of the toilet. Waste travels from the bowl through the trapway, then out the bottom of the toilet. – 2-1/2″
  • › Seat HeightWhat is the Seat Height?The measurement from the floor to the top of the toilet seat. Standard height toilets measure between 15 - 17 inches, while chair height toilets measure 17 inches or more. – 17″
  • › Rim Height – 15-9/16″
See toilet dimensions
Technical drawing of a toilet bowl with dimensions, including height, width, depth, and distances from the finished wall. Toto-MS446124CEMG01-AQUIA-IV dimensions

 

CHECK – AMAZON PRICE

 

This fantastic two-piece unit offers several advanced features including classic state-of-the-art TOTO flushing technology.

Image of a TOTO Aquia IV toilet with detailed features listed, including DYNAMAX TORNADO FLUSH and CEFIONTECT ceramic glaze. Flushing Power

The Aquia IV uses Tornado Flush technology to eliminate waste in a matter of seconds. The Tornado system uses two powerful nozzles instead of rim holes to simultaneously push out waste and clean the bowl. Another awesome feature is the toilet’s bowl design which reduces water flow resistance, in turn creating a quieter flushing noise.

Two flush options are available – 0.8 gallons per flush and 1.28 gallons per flush. The EPA WaterSense certified flushing system saves you over 20 percent on your annual water bill, when compared to traditional 1.6 gallon per flush toilets.

Instead of a lever, the Aquia IV has a chrome push-button.

Impressive Design

The Aquia IV is made of vitreous china and comes in cotton and sedona beige. For made-to-order units, the model is also available in bone, colonial white, and ebony (without CEFIONTECT).

The TOTO Aquia IV comes with a CEFIONTECT glaze which prevents grime from sticking to the toilet’s exterior; the glaze also keeps the toilet nice and shiny. Less grime buildup means less time cleaning. All that’s needed is a wipe down every once in a while.

Dual Flush TOTO Aquia IV model The toilet’s skirted design also prevents bacterial buildup by eliminating hiding places for dirt to latch onto. The Aquia IV comes with an elongated toilet bowl and a seat height of 17”. Both the height and the width allow users to comfortably sit on the model by alleviating any bodily strain.

The unit can be purchased in three packages. MS446124CEMGA comes with CEFIONTECT glaze, a SS124 SoftClose seat, and auto flush. MS446124CEMG also comes with CEFIONTECT and a SS124 SoftClose seat, but does not include auto flush. MS446124CEM includes SoftClose seat SS124 but does not come with CEFIONTECT glaze.

You can also purchase the SS234 SoftClose seat and WASHLET adapter separately. WASHLET is TOTO’s signature removable bidet seat which can be purchased and added for most TOTO toilets.

Additional Features

If you choose to upgrade to the WASHLET bidet seat, you’ll get a remote control to adjust the temperature and pressure.

The bidet comes with a wand you can angle however you wish as well. There are multiple WASHLET units available, from the SW3004 Elongated seat to the S550E contemporary classic. You can also match the bidet to the color of your toilet for that effortlessly camouflaged look.

Color Options

  • Cotton (01)
  • Sedona Beige (12)
  • Bone (03)
  • Colonial White (11)
  • Ebony (Without CEFIONTECT) (51)

Other Aquia IV Models

Lineup of various TOTO Aquia® IV toilets, each featuring different washlet options and configurations on a blue background.

Seat Options

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  • SS124 SoftClose seat
  • SS234 SoftClose seat
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Product Documentation

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  • Spec Sheet (PDF)
  • Manufacturer Product Listing
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Summary of Recent Reviews

For the most part, users love the Aquia IV, citing the toilet’s easy installation, reasonable price, and reliable flushing mechanism. Users also like the toilet’s height and look in their bathrooms.

The most common complaint is in regards to the toilet’s state upon arrival and the issues surrounding customer service. Some users write about their difficulties getting a replacement toilet but after a few phone calls, they took care of business.

Category iconToilets,  TOTO

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