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TOTO CST446CEMGN#01 Aquia IV Toilet Features
- DYNAMAX TORNADO FLUSH utilizes 360° cleaning power to reach every part of the bowl
- CEFIONTECT ceramic glaze minimizes waste from sticking to porous ceramic surfaces
- Completely skirted design for a sleek and understated look that’s easier to clean
- Non-clog 2.5" trapway with clear glaze coating
- Quiet Flush
- Elongated front bowl and tank set, less toilet seat
- Dual Flush operation
- 1.28 & 0.9 GPF
- Chrome push-button
- 12" Rough-in
- CALGreen and WaterSense compliant
- Seat not included
TOTO CST446CEMGN#01 Aquia IV Toilet Documentation
- CAD Drawing - CST446CEMGN
- Spec Sheet - CST446CEMGN
- Template - CST446CEMGN
- Installation and Owner's Manual - CST446CEMGN
- Spare Parts Sheet - CST446CEMGN
*This product is in TOTO's "cotton white" color – which is your regular clean white that will match other white bathroom fixtures.
TOTO CST446CEMGN#01 Aquia IV Regular Height Dual Flush Elongated Two-Piece Toilet, Cotton White
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Frequently Asked Questions
• What if my order arrives damaged?
While we take great care in the packaging and handling of orders, we ask that customers inspect all shipments within 48 hours of delivery, and in the rare event that your order arrives damaged, please send us an email with a photo showing the damages (so we can file a claim with the carrier), and let us know whether you prefer a free replacement or a refund.
• What about the seat height?
Most standard toilets, like the one on this page, are 16-17 inches high from the floor to the top of the seat, or about 15 inches to the bowl rim (Regular Height). They provide the traditional seating position that many users prefer for its natural feel and familiarity. However, older adults and people with disabilities might prefer taller Universal Height toilets.
• Is the seat included?
Unfortunately, this toilet does not include a seat. Above is a link to a matching TOTO SoftClose seat you can add to your order, but any elongated toilet seat should also fit this toilet.
• Will I regret not choosing a toilet with a higher flush volume?
Unlikely. TOTO has been working on flushing technologies as if their livelihood depends on it – and in some places, it does. The truth is, it's more about engineering than just volume – think of a car with a smaller engine that can go faster than one with a larger one. TOTO's Tornado Flush technology uses 3-inch flush valves (instead of traditional flappers) to force water into dual nozzles, creating powerful cyclonic rinsing action. This causes the water to spin in a vortex inside the bowl, making sure every part of it is thoroughly cleaned. The pressure from the nozzles improves both cleansing and bowl evacuation. Other innovations include fully glazed, extra-smooth trapways that prevent debris from sticking, extra-large siphon jets, and seamless, concave rim designs – all working together to make this toilet's flush more than enough for jobs of all magnitudes.
• Can I use a Washlet bidet seat with this toilet?
100%. While this toilet is not advertised as Washlet+ ready - it's fully compatible with most bidet seats. However, unlike Washlet+ models, this toilet does not have a pre-drilled channel to conceal the Washlet's water supply hose and power cord.
The modern look of the 2-piece, regular height Aquia IV toilet, features our renowned DynaMax Tornado Flush technology in an ultra-high efficiency 1.28/0.9 GPF. This toilet features our CEFIONTECT ceramic glaze which prevents debris and mold from sticking to ceramic surfaces.
The Aquia IV toilet uses CeFiONtect ceramic glaze, which creates an extraordinarily smooth, ion-barrier surface to help keep the bowl cleaner with every flush. The CEFIONTECT glaze by TOTO effectively prevents particulates from sticking to porous, ceramic surfaces. Thanks to its ion-barrier, this glaze maintains cleanliness for extended periods of time, resulting in less frequent cleaning, therefore reducing the use of chemicals and water.
Traditional siphon jet flushing systems divide the water volume between the rim and jet hole, with each having a separate function of cleaning the bowl or evacuating waste. However, DYNAMAX TORNADO FLUSH directs 100% of the water through the rim, maximizing its use for effectively cleaning the bowl and waste evacuation. As a result, this innovative system allows for efficient water usage.
Click here for the TOTO Washlet compatibility chart