TOTO Washlet G400 Review

TOTO Washlet G400 in a bathroom overlooking a city

Last Updated on April 13, 2021

Through our years of analyzing toilets and bidets, we have discovered that they are different kinds of toilet combos out there with various specifications and benefits. The array of toilet products you find when you go out to get one can be really large and attractive that if you are not so sure, you might end up going for the wrong choice and even might blow your budget. There is, therefore, the need to make clear certain information that will be very necessary as you go out to get your new toilet.

TOTO Washlet G400
  • WASHLET bidet seat toilet with integrated dual flush toilet with 3D Tornado Flush technology
  • Front and rear warm water cleanse with five adjustable temperature and pressure settings
  • The CEFIONTECT glaze and PreMist function gives the toilet bowl a lubricious quality that helps prevent waste from adhering

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In this article, we’re reviewing the TOTO Washlet G400 general product features, its unique features that stand out, the technical dimensions of the product (specifications to watch for when you get yours), and the special benefits you stand to gain from the product. We’ll also touch on a few of the bad sides as well, just to be fair.

The TOTO Washlet G400 toilet is born out of the will to create a toilet product that makes it very easy for people of all ages to operate one. It is also a result of the will to create a toilet masterpiece that will stand out utility-wise.

With the combo of both a Washlet and a toilet, this product gives you a chance to save a little more. Apart from this, it is a delight for both old and young as its automatic feature will definitely make it easier for all and sundry to operate it.

This toilet product will also give you a top-class flushing system that has no match at all. It has a great look and a perfect height. It helps you manage your water supply with its flushing system as it does not require so much water.

This product is just perfect for you and your family to give that all-round perfect cleaning. This is the reason the product has been the hot chic out there as everyone is ready to cop theirs.

TOTO Washlet G400 Key Features

This product has to its credit a lot of features that make it the perfect option for your toilet. There is a wide range of boxes this product ticks just perfectly. These features stand out as what sets this product apart from its counterparts in the market.

  • Powerful Flushing System With Water Supply Economy

This helps you get it clean easier and with less water usage.

  • A Perfect Height

This is one of the leading reasons this product is very comfortable to use.

  • Skirted Exterior Design

The product comes in a one-piece skirted design.


This product comes with a glazing ceramic look which adds to its elegance.

  • Auto Cover

It comes with a cover lid that opens and closes automatically.

  • Hot Seat Effect

The seat never gives you that unpleasant morning cold shock. It is always heated between 82°F and 90°F.

  • Always Clean

The product stays clean always with the ado of the self-clean effect.

  • Pleasant Scent

Its deodorizer is trusted to get rid of the unpleasant smell you do not want to be welcomed with and give it that pleasant scent.

  • Cleaning Choices

The product offers you the option to either go for the Rear, the Rear Soft or the Front. These three options will help give you a perfect cleaning after use.

  • Warm Dryer

This is another feature that makes this product a delight to use. It gives you that warm air to get your hands dry after using the toilet.

  • Hands-Free Flush

Once you are done using the toilet, it cleans itself up automatically without your hands on anything.

  • Wet Bowl

The seat of the toilet’s bowl stays wet always as another feature of this product. The wetness is down by the toilet product using its own water source to get rid of dry stains that can be harmful germs.

TOTO Washlet G400 Technical Specifications

There are certain features to look out for whenever it concerns a toilet product. You have to check the height to ensure it is a perfect and comfortable one. You also need to check out the product’s various dimensions that give it the edge it has.

Water Use
1.28 Gpf/4.8 Lpf with alternate 0.9 Gpf/3.4 Lpf

Flush System
3D Tornado Fush

Water Supply
Min 7.25PSI(0.05MPa) Dynamic Max 108.5PSI (0.75MPa) static

Water Surface
5-3/8″ x 4-5/8″

Trap Diameter
2-3/4” (70 mm)

Rough In
12” rough in

Trap Seat
2-1/8” (54 mm)

Three Year Limited (Residential)
One Year Limited (Commercial)

Bowl: Vitreous china Seat
Cover: Plastic

Power Rating
120V AC, 60 Hz. 409W

Power Cord
Maximum length:

Adjustable Water Flow Rate
Rear washing: from 9.1 to 14.5 oz/min.
Soft washing: from 9.1 to 14.5 oz/min.
Front washing: from 9.8 to 14.5 oz/min.

Water heater Capacity
250W Water heater tank volume: 25.6 oz (0.78L)

Washing Spray Temp
Minimum: 86º F/30º C
Maximum: 104º F/40º C

Safety Device
Thermal fuse
Bi-metal sensor (auto reset)
Float switch (prevent boil)

Drying Feature
Air Temperature:
High: About 140ºF/60ºC
Low: About 95ºF/35ºC

Seat Warming Feature
Surface Temperature:
Minimum: 82º F/28º C
Maximum: 95º F/36º C


There are a lot of things to love about this toilet product. It has a wide range of benefits and unique features that makes it a delight for everyone looking out to get one soon.

  • It is a combo and it is packaged very well. The toilet and Washlet combo is a piece of delight with its excellent packaging also.
  • It is highly durable and can last for way longer than ten (10) months if used well.
  • It’s a perfect fit for those that are on a wheelchair, the elderly and others with different movement challenges as it comes with an ADA compliant.
  • Its automation makes it easy to use that it seems like the toilet is in itself taking care of whoever uses it. You can as well choose the blend of its automation that suits you the most.
  • It is a smooth piece of toiletry which makes it more adorable and a pleasure to use.
  • It has a level of cleanliness that can only be given by a complete and all-round state of the art toiletry.
  • It does not fall short of its advert in any way. It continues to work just as it is advertised.
  • The winter season is no problem due to the hot seat feature of this amazing piece of toiletry. It saves you completely from the shock caused by the cold weather when you want to use the toilet.


They are however some glaring and unsatisfactory properties of this piece of toiletry. These cons are the sides of the product you will not like.

  • It comes with a front wand that is not long enough.
  • The dryer does not have such great power as it should.

Key Features In Detail

  • Powerful Flushing System With Water Supply Economy

This product has a powerful flushing system with different cleaning power. Its 3D Tornado Flush gives it a great lift to wipe all of the stains in a single flush.

It also helps you with its water economy feature. With a heavy flush, you only need 1.28 GPF (Gallon per Flush), while for a light flush, you only need 0.9 GPF (Gallon per Flush).

This will help you save your water supply in a very large volume and also get your cleaning done with ease.

  • A Perfect Height

The height of this toilet product is another feature. It comes with a perfect height to boost your comfort when making use of it. The height is perfect for the elderly and those who have issues with movement.

  • Skirted Exterior Design

The toilet product is given a skirted exterior design to make it very comfortable to clean. You do not have to go through needless stress when you want to wash the exterior part of this toilet product. It also comes as a one-piece product that still makes its cleaning faster and easier.


This new look feature is another one of the Toto Washlet G400’s fantastic offering. Similarly to the TOTO Ultramax II, the ceramic is given a relaxing and a super smooth look to make it very attractive, easy to clean as well as protect it from rusting.

Our Conclusion on the TOTO Washlet G400

Having said quite a lot, you now have an idea of the TOTO Washlet G400 technical dimensions, the exclusive features of the product that makes it great, it’s quite negligible downsides and many more.

This toilet combo is sure to thrill you when you begin to use it. With its own unique flush system, warm air dryer, hot seat, cleansing options, perfect height for comfort, glazing ceramic effect and so much more, the product is sure to satisfy your toilet needs.

The product definitely fits into the speculation of a perfect toilet product. It is impossible to ignore its features as they all stand out to make it a sure delight. Even with the cons coming from the front wand of the product and its dryer, the great features of this piece of toiletry overcompensate for that and give you just the best toilet experience