TOTO Washlet S550E Review

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The electronic bidet toilet seat is made for your comfort when you are using the toilet. There are numerous seats available in the market with different features. If you are looking for a luxury bidet with all the advanced features included, this TOTO washlet S550E could be the one you need!

toto washlet s550e review

In this TOTO washlet s550e review, we will go through the features as well as the (dis)advantages of this model. Keep reading!

Last update on 2023-02-01 / Affiliate links / Images from Amazon Product Advertising API

Features of TOTO washlet S550E

The electronic bidet  TOTO washlet S550E toilet seat is proposing various comforts and benefits. The toto s550e rapidly offers comfy warm water to clean your skin with a single touch of a button and it is one of the best luxury bidets in the markets now.

This TOTO bidet seat provides the supreme advanced features in it. It also helps those who have limited physical movements to regain independence and self-care. Now, let’s explore those amazing features.

E-water system 

As a luxury bidet in the TOTO “S” series, this s550e has contained the ewater technology which robotically sprays the electrolyzed water to clean the bowl of the toilet after and before each use.

This system can turn the water into Electrolyzed water which works to remove the stains or marks of the toilet bowl and kill the bacteria.  If you don’t use the bidet for more than 8 hours, it will automatically spray so as to prevent the stain build-up. In a word, this system will automatically provide you with the cleanest environment you need for toileting.

Double-side remote control

TOTO S500E comes with a double-sided remote control for users to finish every setting on it. It is made of high-quality plastic even though it looks like stainless steel. You can control the bidet from each side even the top.

On the one side, you can change the water pressure, nozzle position. On the other side, you can set up the temperature (include seat temperature, water temperature, and air dryer temperature).

Besides, you can turn on and off the lid by just pressing the button on the top of the remote.

Auto-open and closed seat

Even though they offer the seat button on the seat, but the electronic seat bidet toto s550e gives a special level of comfort with the auto-close and open lid.

When you close to the toilet, the bidet body sensor can detect you and open the lid for you. This feature is great because people with mobility issues can use it freely without using their hands.

Last update on 2023-02-01 / Affiliate links / Images from Amazon Product Advertising API

Multiple settings

As a high-end product, this bidet toilet seat offers a lot of settings to meet your needs. You can change the seat temperature from 86 degrees to 104 degrees Fahrenheit or even turn it off. In addition, you can change the position and water pressure of the nozzle to clean different parts of your butt such as rear wash, feminine wash, and oscillating wash. This bidet also includes a dryer function to let you dry your body after toileting.

The advanced feature of this bidet is that it includes personal settings for 2 persons. This smart machine will remember your preference and do it automatically for you.

Instant water

The speedy water heating of Toto bidet s550e offers you instant ease. A lot of people like its slim and elegant design and one reason why this bidet can achieve it is due to the fact that it is tankless.

Another advantage of this design is that it can offer endless water at a steady temperature. This saves the time to wait for the tank to be filled and heated.  Sometimes, people happen to use the bathroom at the same time, this feature will solve this problem.

Night light

The soft lighting of the electronic seat s550e seat bidet enables easier use when the lights are switched off at night.

The light is soft. It works great on guiding you at night. It helps to prevent falls which is essential for the elderly and people with disabilities. In addition, it will not totally wake you up and you can continue to sleep easily.

Besides, your partner will not be disturbed as well. The night light feature always appears at the best bidet toilet combos or high-end bidets.

Last update on 2023-02-01 / Affiliate links / Images from Amazon Product Advertising API

You can check more details of this washlet by watching this video.

Design of TOTO S550E

Last update on 2023-02-01 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2023-02-01 / Affiliate links / Images from Amazon Product Advertising API

This TOTO s550e features an ultra-thin design. The top point is only 5″ tall and it blends with the toilet very well. The lid covers the whole seat from the rear to the front which is a bit different from S350E.

This bidet comes in 2 versions: contemporary and classic. The only difference is the design of the lid.  The contemporary model looks very modern and clean. No extra lines or patterns on the lid. A lot of young people just like it. The classic one also looks very good. It has beveled contours at the edge which makes it more elegant.

In addition, each model has 2 colors available: white and beige.

The dimension of this product is 20.9 x 15.1 x 4.8 inches. It embraces the component of mounting hardware, bidet seat, and remote. Besides, the manufacturer offers a one-year limited warranty.

However, two models of S550E only can accommodate the elongated toilet.

Pros of Toto S550E

  • The seat lid can automatic open and close
  • Zero smells with its deodorizer to prevent awkward
  • It controls with remote
  • Easy to install and maintain
  • Night light to help you at night without disturbing your partner
  • 2 Personal settings so you don’t have to set it up again
  • Adjustable warm seat
  • Self-clean function included
  • Modern and clean design
  • Easy to install

Cons of Toto S550E

  • Only suitable for elongated toilet
  • high price tag
  • Auto-open is a bit noisy
  • The dryer of Toto s550e is not much powerful enough to dry quickly


After reading this TOTO washlet S550E review, you have already figured out that this product is definitely one of the most advanced bidet toilet seats in the market. It is made by TOTO which is the most famous brand in the industry and is one of the products from the high-end “S” series.

It features an auto-open and off lid, personal settings, a heated seat, different models of spray, and a night light. You can get extraordinary experience when toileting. Besides, it is a great product for the elderly and people with disabilities. They can use the toilet all by themselves because they don’t have to use their hands throughout the process.

However, it comes with a high price tag. If you are looking for a cheaper and more basic one, you can consider buying a TOTO washlet C100 instead.

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Kevin Chow is an enthusiast of home improvement. He is an engineer and likes to test all the tech gadgets on the market. He starts to use bidet seats after his journey to Japan and he had tried a few brands.

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