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$990.00
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Product Description

Quick Note:  The TOTO S550e and TOTO S500e are identical, except that the S550e has an automatic opening/closing lid and LED night light.  Besides that, the two models are exactly the same.

Released in January 2018, the all new TOTO S550e Washlet is TOTO's newest bidet toilet seat offering, replacing the previous generation TOTO S350e.  This TOTO washlet sports an all-new body design that is available in two styles - Contemporary and Classic.  The difference between these two styles is the lid - the Contemporary style has a more minimalist and cleaner looking lid, while the Classic style has beveled edges going around the corners of the lid.  Two different looks, but the same great washlet underneath.

Equipped with both feminine and rear wash functions, this bidet seat offers outstanding cleansing performance.  The washlet's built-in water heater provides a warm water wash at a temperature you control.  Water pressure can be adjusted as well.  The position of the spray nozzle can be adjusted more forward or more backward for optimal coverage.  Using the oscillate feature will automatically extend and retract the nozzle, back and forth, providing a greater cleaning area.  When done washing, activate the hands-free warm air dry to help dry off any residual moisture from your wash.

Some unique features you'll find on the TOTO S550e include the automatic opening and closing lid.  A body sensor on the washlet detects when you approach the toilet, and will raise the lid for you.  Men - who may want to raise the seat too, can do so by tapping a button on top of the remote control.  The washlet detects when you walk away, and will slowly close the seat/lid for you.  The e-Water feature uses electrolyzed water to pre-mist your toilet bowl before using the toilet.  This assists in keeping your toilet bowl clean with every flush.

The remote control comes with an all-new design as well.  Some of the buttons previously found on the sides of the remote have been moved to the front for easier operation.  It is also a bit thinner, making it easier to hold in one hand.  Two user-preset buttons can be found at the bottom of the remote which allows you to pre-program settings such as water temperature, water pressure and nozzle position for up to two people in your household.

Available in Cotton White and Sedona Beige.  Elongated Size only.  If you need Round Size, please see TOTO S350e.

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TOTO S550e Washlet Features:

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Editor's Review:

The TOTO S550e washlet comes in your choice of two styles, "Contemporary" or "Classic" - which determines the type of lid your bidet seat comes with.  Keep in mind this unit features an automatic open/closing lid, so your lid will almost always be closed.  And because of this, the type of lid you choose has a huge influence on what your washlet will look like in your bathroom.  The "Contemporary" lid has a cleaner, minimalist look while the "Classic" lid is busier - with beveled edges going around the contour of the lid.

Once you get underneath the lid though, everything else is the same.  The base unit and features are exactly the same no matter which style you choose, so it is strictly an aesthetic choice.

The TOTO 550e washlet features both feminine and rear wash functions.  Both water pressure and water temperature can be adjusted.  The bidet has a tankless, on-demand water heater built right into the seat which provides a continuous warm water wash.  You can adjust the position of the spray by adjusting the position of the wash nozzle more forward or backward.  There is also an "oscillate" function which automatically moves the nozzle back and forth, extending the cleaning area.  Also available, is a "wide" spray function which sets a larger radius for increased coverage.

All of these features are controlled through the use of the wireless remote control.  A wall mounting kit is included, so you can conveniently mount the remote on the wall next to your toilet.  Buttons for the most commonly used features - such as wash, oscillate, stop and dry are all located on the front of the remote.  On the back of the remote, you can adjust more advanced features such as the eco-power saving modes and strength of the air dry fan.  Once you get your initial setup done, however - you'll be using the front of the remote 95% of the time.

Most of the bidet seats you come across will have the basic features of feminine/rear wash, adjustable water pressure/temperature, adjustable spray, and warm air dry.  What really sets this bidet seat apart though, are the non-wash features.  These non-wash features are what really makes the TOTO S550e a "smart" toilet seat.  Let's start with the automatic open/close lid.  A body sensor detects when you're approaching the toilet and will raise the lid for you.  And for men - tapping the button on top of the remote will raise the seat too.  Both the seat and lid will automatically close when you walk away.

The included LED night light turns on and off using this same body sensor.  So the toilet lights up for you when you walk towards it, and dims when you walk away.  We also note that you can customize these settings thru the remote control.  So you can de-activate your lid from opening by itself, or de-activate the night light if you so choose.

Then there's the eWater, or electrolyzed water feature.  Electrolyzed water was originally used in the restaurant industry, used to disinfect knives, utensils and cutting boards.  The TOTO S550e uses eWater to pre-mist your toilet bowl before you go to the bathroom.  Pre-misting your toilet helps prevent material from adhering to the sides of the bowl, and increases flushing efficiency.  The washlet then mists your toilet every 8 hours which further helps keep your toilet clean, and reduces the need for scrubbing your toilet with harsh chemicals.

The heated toilet seat is another popular feature.  Sitting on a freezing cold toilet seat is not the best way to start your day.  The temperature of the seat can be adjusted as well, and of course - you can turn it off during the warmer months of summer.  A built in air deodorizer is also included which works with active carbon filtration, helping to filter bathroom air of unwanted odor.  An occupied seat sensor works as a "safety," which means none of the wash functions will work unless you are sitting on the seat.  This helps prevent your three-year old toddler from accidentally activating the spray.

This very well-thought out design and feature set makes this model one of the best bidet toilet seats available.  If you're looking for the best seat money can buy, then look no further.  The TOTO S550e is the washlet for you.

 

TOTO Models At-A-Glance:

Model Controls Key Feature Differences Accompanying Perks Just to Nitpick
TOTO S550e Remote Control TOTO's flagship washlet is just packed with features, including auto open/close lid, eWater toilet bowl misting, user presets, and LED night light Happy wives always find the seat down Other bidet seat manufacturers have longer warranties
TOTO S500e Remote Control Exactly the same as the TOTO S550e, except without the automatic open/close lid, and LED night light eWater toilet bowl misting really works and helps keep the bowl cleaner Plastic nozzles?  It's really time for TOTO to move to a stainless steel nozzle
TOTO C200 Remote Control C200 uses older, tank-type water heater which supplies ~30 seconds of warm water.  S550e/S500e use tankless, on-demand heating for unlimited warm water A value seat which comes at a great price for a TOTO Bulky.  Almost twice as tall as the S550e/S500e models

 

New to TOTO?  A Brief Q & A:

Question Answer
What is the TOTO S550e? The TOTO S550e Washlet is an advanced electronic toilet seat, or "smart" toilet seat, which provides bidet functionality after using the restroom.  It is equipped with both feminine and rear washes.  It also includes a host of other features, such as a warmed toilet seat and auto open/close lid.
When was it released? The TOTO S550e was released in January 2018, making its public debut at the 2018 Consumer Electronics Show in Las Vegas.  TOTO's leading washlet now comes in two styles - "Contemporary" and "Classic" which features a different look in the style of the lid, to better match consumer tastes.
Where is the washlet made? Although TOTO is a Japanese company headquartered in Japan, the TOTO S550e is actually made in Malaysia.  Like other multi-national companies, TOTO realized cost efficiencies by moving some of their manufacturing plants offshore.
Why would this model be a good choice? TOTO has been manufacturing bidet toilet seats since 1980.  With nearly 40 years of washlet manufacturing experience, TOTO is widely considered as one of the best, most reliable brands in the bidet seat industry.  The TOTO S550e is their flagship seat.  It combines beautiful aesthetics with great washing performance.

 

TOTO Product Naming Conventions:

TOTO maintains internal product SKUs which are different from the branded product name.  For example, you might have heard the TOTO S550e being called the TOTO SW3056#01.  For your convenience, here is a mapping table to help you understand TOTO's naming conventions:

  Model SKU Color SKU Completed SKU
S550e Elongated Contemporary / Cotton White SW3056 #01 TOTO SW3056#01
S550e Elongated Classic / Cotton White SW3054 #01 TOTO SW3054#01
S550e Elongated Contemporary / Sedona Beige SW3056 #12 TOTO SW3056#12

 

View:  Owners Manual:  TOTO S550e | TOTO SW3056#01 and SW3054#01 (.pdf)  large file, please be patient

See:   TOTO Product Specifications Sheet

 

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Warranty Information

Q: How does the S550e differ from the S500e model from TOTO?

A: While the S550e and S500e have the same physical appearance and many of the same functions, the S550e has a few additional features. First, the S550e has an automatic opening and closing lid. The seat can also be raised and lowered by pressing a button on the remote. The S550e also has an LED night light for easier use at night that is not available on the S500e.

Q: What is the difference between the Contemporary and Classic version of the S550e?

A: The Contemporary and Classic and versions of the TOTO S550e simply have differently designed lids, so the difference is purely aesthetic. The Contemporary design – sometimes referred to as Modern – has a flat, straight edge lid. The Classic design has a beveled edge lid.

Q: What is e-water and how does it work?

A: TOTO’s e-water feature charges sodium ions in the water supply which works as a sterilizing agent. E-water, or electrolyzed water, is commonly used to clean utensils and cookware in restaurants because it is an efficient way to disinfect without leaving any sort residue from a chemical cleaner. The S550e uses e-water to clean the wash nozzle and also in its bowl misting function. The S550e sprays a mist of e-water before and after each use to keep material from adhering to the surface of the bowl and limit the need for manual bowl cleaning.

Q: How big is this bidet seat?

A: The S550e has a narrower profile than other bidet seats with a maximum height of 5”. Other models range from 5.5” to over 7” tall, so the S550e (as well as the S500e) do offer a slimmer look than other bidets.

Q: How does the automatic lid operate?

A: The automatic lid on the TOTO S550e works by using a body sensor that is activated when you approach the unit. Once the sensor is activated, the lid will automatically raise and stay up while in use. When you leave the vicinity of the unit and are out of range of the sensor, the lid will then automatically go down and softly close. The feature can be turned off if you ever want to deactivate it. There is also a feature that raises the seat by pressing a button on the remote so you do not need to manually raise the seat.

Q: Does the S550e need to be installed on a TOTO toilet?

A: The S550e like other bidet seats will fit the vast majority of toilets regardless of make or model, so you do not need to have a TOTO toilet to install a TOTO bidet seat. You do want to make sure you have at least 1.75 inches of clearance from the mounting holes where the seat attaches to the front of the water tank. The S550e is an elongated size bidet seat, so you would want to make sure you install it on an elongated size toilet.

Q: Will I need to hire a plumber to install this?

A: The bidet seats that we carry go directly on your existing toilet and they are all DIY (Do-It-Yourself) installation, so a professional plumber is not required. To install, you would first remove your existing toilet seat and then secure the TOTO S550e mounting bracket (the unit comes with all the installation hardware included). The washlet slides in and locks in place on the mounting bracket, and then you connect to the water line already connected to your toilet tank using the bidet hose and T-valve connection included. Once everything is connected, you simply plug it in and it is ready to go. Most people do the installation in about 30 minutes.

Q: Where is the power cord?

A: The power cord on the TOTO S550e in on the rear left side of the unit as you are facing it installed on your toilet. The power cord is 3.5 feet long.

Q: Does the S550e use water filters or air filters that I need to change?

A: No, the S550e does not have any filters that need to be changed. A handful of other bidet seats have air deodorizer cartridges that need changing, but the filters are specific to only those few seats. It should also be noted that the external water filters that we carry are NOT compatible with the TOTO seats, so the water filter accessories are not necessary and do not work with the TOTO models.

Q: Is the remote control difficult to use?

A: The remote control for the S550e is actually quite easy to use. It is a two-sided remote, so the most common functions you will be using are on the front side for easy access. The back side has a small display screen menu and is where you can adjust settings or turn features on or off. After the initial installation and setup you generally don’t need to use the back side much if at all. Having a two-sided design makes the front easier to use since it isn’t overly crowded with buttons and it has a sleeker look.

Q: What should I use to clean the S550e?

A: It is best to avoid using cleaning agents that use caustic chemicals because they can cause discoloring or leave marks on the surface of the unit. Rather than using harsh chemicals like bleach or cleaners containing benzene or acids, it is recommended you use mild soap with water and a soft cloth or non-abrasive sponge to clean the bidet. You can also use “green” cleaners which do not contain harsh chemicals.

Q: Can someone use the seat without using the washing functions?

A: Yes, the washing functions will only operate if the user activates a wash feature by pressing the remote control. If a guest would rather not enjoy the bidet, they can simply use it as a regular toilet seat.

Product Reviews

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  1. Great product

    Posted by Sunny on 7th May 2018

    This product is everything the reviews say about. So far it has worked flawlessly. First bidet toilet seat and would highly recommend it. Keep in mind that you will need electric power nearby. Otherwise easy to install.

  2. The BEST!!

    Posted by IK on 11th Apr 2018

    So glad we decided to purchase the S550e. It may cost a little more than other bidet seats, but it is absolutely worth it. Installation was not that hard (we did have an electrician install an outlet, but it was worth getting it done right). Toto has the knowledge and experience to build the best bidet seats and we love all the features. We haven’t found anything we dislike about this seat. Totally worth it.

  3. life is too short to not own a TOTO!

    Posted by TY on 29th Mar 2018

    I've grown up using washlets outside of the USA. It wasn't until i got around to remodeling my bathroom that i decided to get a TOTO at home. BEST decision ever. Bidets Plus was very fast, item was at my house the next day.

  4. Toto's secret feature, odd sensor.

    Posted by Tony D. on 19th Mar 2018

    I recently bought a Toto S550e to replace a Toto S400. While this new seat has many useful features, it also has one major flaw and one hidden feature. The flaw is in the choice of sensor to detect a person approaching the toilet. In the S400 this sensor uses infra-red radiation to detect movement, the S550e seems to use radio waves (microwaves, perhaps). This seat is installed in what used to be a closet under the stairs and we frequently walk past the door. Often, but not always, when we pass this closed door the seat lifts up and the bowl is sprayed with eWater. In the troubleshooting section of the manual it tells us to turn off these features if this is a problem. Having just paid good money FOR these features it is insulting for Toto to cover up their poor design decision with this instruction. Infra-red detectors do not have this problem as IR does not pass through doors. I think this choice was made for aesthetic reasons, to eliminate the dark red transparent plastic window need for an IR sensor.

    When looking over this seat before installing it I popped off the cover over the water filter. Just behind the filter there is a socket, just like the socket on the back of S400 for connecting the auto-flush motor installed in the toilet tank. After installing the seat, I wondered if the old remote control for the S400, which was still installed, would work with the S550e. It did. It cannot control all of the settings, but can operate the basic functions. I decided to connect the flush motor to the seat to see what would happen. There is a small plastic part which has to be pulled out to insert the plug. This part, when in place, prevents the plug from loosening. Pressing the Flush button on the remote caused the flush motor to turn, but in the wrong direction. I followed the instructions in the motor installation manual to reverse the motor direction and it worked. Then I turned on Auto-Flush with the remote and it worked, too. I don’t use auto-flush because it generally flushes before I am ready, but pushing a button to flush is convenient, especially since the wide button on the top of the old remote can be pressed with an elbow when one is ‘reinstalling’ ones clothing. I had noticed a small catch at the top rear of the new remote. Intrigued, I pushed it and the top, an IR window with one button to raise the seat, popped off. Inside are three buttons. Pressing the other two revealed that each operated the flush, one in each direction. This eliminates the need to reverse the flush motor, as mentioned above. Just use the correct button. I reversed the direction using the old remote and then the other button flushed correctly. Even though the reversing method is not need with this new remote, it is still built-in. The plastic button covers for these flush buttons could not be pressed down, so I pushed little tabs that hold them into the frame to remove them and discovered that the Flush button covers had a very small ridge (about 0.5 mm) underneath, around the perimeter (segmented, not continuous), but the Seat button cover did not. This ridge prevented the covers from moving down. I carefully sliced this ridge off one of these covers, and now I can flush the toilet with the new remote. This flush function as not an add-on, it is fully integrated into the programming of this seat, as I accidentally discovered. I pushed the Flush button just after the eWater bowl spray began, and it stopped spraying. About ten seconds later the spraying resumed, presumably to prevent the eWater being flushed off the bowl too quickly. If the wand cleaning has begun, it is also stopped when flushed, but it starts again just after the flush.

    For those interested in this feature, the flush motor is still available for about $79. It’s model number is THU695#CP. Toto makes no mention of this feature in their online info, brochures, or the user manual. It is a secret. Why is this? Toto should provide instructions on how to use the new remote to turn Auto-Flush on and off. They should also make replacement flush button covers available for the remote, complete with a Flush symbol (or text), so that the installer can replace the appropriate cover. I also question the wisdom of using radio waves instead of IR to detect motion. Every time I sit on this seat my lower back is being irradiated. Cell phone manufactures want us to believe that microwave radiation is safe, but the jury is still out.

  5. Great update to the WASHLET line!

    Posted by Robert on 5th Mar 2018

    I ordered this S550E after using TOTO's S300e for a few years and I'm happy with this updated version!

    Many of the features are arguably unnecessary but are really nice once you get used them! For example, this bidet has a built-in night light, heated seat, and motorized lid and seat which are all handy conveniences that make using the bidet more enjoyable.

    PROs:
    - It's the smallest, sleekest bidet seat I've found and doesn't look giant when installed. It's nice to have multiple styles and colors to choose from to match your bathroom.
    - Most of the automatic features are customizable. You can adjust water temp, pressure, nozzle settings and more all to your liking rather than just on/off.
    - The instantaneous hot water feature means you'll never run out of hot water, unlike some tank-style bidets.
    - The new, redesigned remote uses touch-sensitive buttons on the front so there are no moving parts to wear out it’s a flat surface that's easy to clean.
    - A heated seat is so nice on cold winter days (and nights.)

    CONs:
    - I wish the energy saver settings would support a more detailed daily schedule or a 7-day schedule.
    - There's an audible click from the safety switch whenever you sit on the seat. Not a big deal but it's noticeable.
    - I love the e-Water feature and wish I could trigger it manually from the remote control.
    - I haven't found a way to disable the "tinkling water" that drains from near the nozzle into the toilet bowl whenever someone sits on the seat (aside from shutting it off entirely.) I believe it's intended to be a nice feature that drains the small amount of cold water from the nozzle so it's ready for use, but I wish that it could be customized so the bidet doesn't come-to-life when someone sat down who doesn't intend to use it at all.

    Overall, I’d say that it’s a luxury product that has become a welcomed addition to my house. I was planning to order from Amazon like I did for the previous model but Mark from bidetsPLUS provided more helpful information than I could even get from TOTO and the price was cheaper here than anywhere else I could find.

  6. Worth the money

    Posted by Jack on 4th Mar 2018

    I first experienced a bidet seat during a Tokyo layover several years ago. In the words of Will Smith in Independence Day, "I have to got to get me one of these." I had a Bio Bidet seat in my house in Virginia, and the seat was great, though a bit bulky. Two years ago I moved to coastal Georgia and installed a Bio Bidet 2000 seat. Again, terrific product. Fast forward to September 2017 and my house is devastated by Hurricane Irma. I had to take it down to the studs to rebuild and the knuckleheads doing the demolition essentially destroyed the Bio Bidet seat. As I shopped around for a replacement I came across reviews for the Toto S350e. I'd installed Toto toilets in my house and I know what a quality product they make. The S350e was about $240 more than the BB-2000 but I decided to splurge because of the added features the Toto product has. I placed my order online through Bidets Plus, using their great new customer discount, which saved me close to $100 on my order. Shortly after I placed my order, I received a phone call from Bidet Plus customer service informing me that the S350e would not be back in stock for several weeks. In its place I was offered the new S550e. Though the 550 was a bit more expensive than the 350, Bidets Plus said they would give it to me for the original price I'd paid for the 350. You cannot beat customer service like that. The bidet seat arrived quickly and was simple to install. It takes no great plumbing skill to put it in. If you can screw in a light bulb, you ought to be able to install this seat. The only difficulty you might run into is if you don't have an electrical outlet handy. I'd had one installed by a licensed electrician when I'd installed the original seat. The seat works perfectly. I still have contractors working on the house and they freak out every time the toilet lid opens automatically. My cabinet installer thought the house was haunted. I am not making this up. Anyway, the seat might be viewed as a bit of an extravagance, given the nearly $1000 price tag, but it is well worth the splurge. We had to be out of our house for six months while it was being rebuilt and the worst part of that ordeal was not having a bidet seat. Trust me, once you've used one of these, you can't go back to the old way of taking care of business. It's like Jerry Seinfeld said, "once you've flown first class, you can't go back to coach. I can't. I won't." Be kind to your behind and take the plunge. You'll be very glad you did. This seat is the best.