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Internet # 309900631

Model # SW2033R#01

Store SKU # 1004418014

C100 WASHLET Electric Heated Toilet Bidet Seat for Round Toilet in Cotton White

  • 120-Volt GFCI electrical outlet required, 4 ft. cord
  • Round, SoftClose heated seat, air dryer, deodorizer
  • Convenient arm control panel
  • View More Details
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Product Details

About This Product

The TOTO WASHLET C100 Round Bidet Toilet Seat with PREMIST delivers ecology-minded luxury in a streamlined design. The WASHLET C100 is fully automated, featuring a soft rear spray, rear cleanse and front cleanse with the option of an oscillating stream. The controls are located on a convenient arm control panel. The PREMIST function sprays the bowl with water before each use, preventing waste buildup and keeping the toilet bowl clean. Newly resigned seat provides additional space and comfort across broader range of users. The wand is self-cleaning, automatically cleaning itself before and after every use. Features a heated Soft-Close seat with 3-temperature settings. The temperature and pressure of the water are adjustable with 3-temperature settings and 5-pressure settings. Cleansing with soothing warm water is more comfortable than traditional toilet paper that can sometimes be rough. Built in air deodorizer and a warm air dryer with 3-temperature settings provide a more enjoyable experience.


  • Newly redesigned round front WASHLET bidet toilet seat provides additional space and comfort
  • WASHLET performs a PREMIST of bowl before each use to prevent waste from adhering
  • Adjustable front and rear warm water washing with 3 temperature settings and 5-pressure settings, oscillating stream option
  • Heated seat and warm air dryer with 3 variable settings
  • Automatic air deodorizer removes odors while sitting on the seat
  • Self-cleaning wand, wand is automatically cleaned before and after use
  • Convenient arm control panel
  • SoftClose function built-into the lid and seat, no more slammed lids
  • Quick release, easy seat removal for simplified cleaning of the WASHLET and toilet
  • Mounting and connection hardware included
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 309900631

Model # SW2033R#01

Store SKU # 1004418014


Dimensions: H 7.375 in, W 18.8125 in, D 19.25 in


Bolt Spread (in.)


Power cord length (ft.)


Product Depth (in.)

19.25 in

Product Height (in.)

7.375 in

Product Width (in.)

18.8125 in


Bidet Power Type


Bidet Spray Type


Bowl/Seat Shape


Color Family



Cotton White


Adjustable Sprayer Settings, Adjustable Water Pressure, Deodorizing, Heated, Heated, Remote Control Operation


Complete Kit

Product Weight (lb.)

16 lb



Seat Front Type


Seat Length (in.)


Seat Material


Warranty / Certifications

Manufacturer Warranty

1 Year

Questions & Answers

Q:What is the weight limit for the seat and the cover?
by|Jun 27, 2023
2 Answers
Answer This Question

A:  Please see Toto's response.

by|Jun 28, 2023

    A:  Hello, The WASHLET seat meets the structural integrity criteria for any toilet seat sold in the US. Under normal use, the WASHLET seat is capable of holding quite a bit of weight; however, regardless of the weight of the individual, care should be taken not to excessively twist or slide sideways across the seat, as this can compromise the plastic components. All WASHLET functions will be operable and do not max out with too much weight. The seat does have ultrasonic welds that hold it together, so the longevity of the seat could be affected by the weight of the individual. For help with your specific question, please call TOTO Technical Support to gather more details on the weight capacity. They can be reached at techsupport@toto.com or call 1-888-295-8134 between 8am - 8pm Mon - Fri EST and press 4 when prompted. We also have live chat on the TOTO USA website. Hope that helps and thank you for considering TOTO!

    by|Jun 27, 2023
      Q:How to find(measure) right size bidet toilet seat?
      by|Jun 3, 2023
      2 Answers
      Answer This Question

      A:  Please see Toto's response.

      by|Jun 6, 2023

        A:  Hello, There is a fit guide in the images section to help you measure your toilet for either the elongated or round version of the WASHLET. If you need additional assistance, please reach out to us directly. Our Technical Support team is standing by to take your call. They can be reached at 1-888-295-8134 between 8am - 8pm Mon - Fri EST and press 4 when prompted. We also have live chat on the TOTO USA website. I hope this helps and thank you for choosing TOTO.

        by|Jun 5, 2023
          Q:Hi, does the toilet lid automatically come up when it detects motion into the bathroom? Does it have a backlight wheeler it lights up the toilet bowl if you?re coming in to pee in the middle of the night?
          by|May 28, 2023
          2 Answers
          Answer This Question

          A:  Please see Toto's response.

          by|Jun 1, 2023

            A:  Hello, This model does not have an auto open lid and will not have a light in the bowl. Please take a look at the S550e model with an auto open lid and a soft nightlight. I hope this is helpful and thank you for your interest in TOTO!

            by|Jun 11, 2023
              1 found this answer helpful
              Q:Does it fit the TOTO Auia IV 2 pc Dual Flush Toilet? CT446CUGT40
              by|May 18, 2023
              2 Answers
              Answer This Question

              A:  Hello, This WASHLET is designed for round toilets and the bowl you mention in elongated. Please look for model SW3074T40 for use with that specific bowl. You will also need adapter 9AU321-A to complete the water connection. I hope this is helpful and thank you for your interest in TOTO!

              by|May 19, 2023

                A:  Please see Toto's response.

                by|May 20, 2023
                  Showing 1-4 of 17

                  Customer Reviews

                  4.7 out of 5

                  • 4.7 out of 72 reviews
                  • 79% recommend this product
                  Filter by:
                  Showing 1-10 of 72 reviews
                  • Verified Purchase
                  Love my washlet
                  Worth the purchase. Product is quality. Very easy to install.
                    • Recommended
                    The most important thing you’ll buy
                    I installed this on a tankless toilet. Works perfectly. Heated water, air, and seat. Great value. Required splicing the water intake valve/pipe and replacing it in order to fit my below sink connection, but that’s easy.
                      • Recommended
                      • Verified Purchase
                      • Verified Purchase
                      The lid broken about 1 year after use
                      No issue with mechanism and works great. But the lid broke - both hinges the same way. Not just hinges come off, the plastic cracked, so if works, I want to superglue them, but if not, looks like replacement toilet lid is about $100. Another issue I have is the control panel. Since it sticks out on the side, it is very hard to clean the wall or floor behind and below the control. I wish I thought more and bought the remote control model. But functionwise, very happy.
                        Does not fit our Toto toilet
                        Does not fit CST853ET. Toto help line was surprised, but had no resolution or suggestions. The plastic plate is positioned as far back as it possible can be and with the toilet seat down still leaves part of the forward toilet bowl exposed/visible. Poor fit and leaves the toilet looking very “unattractive”. The help line was no help! The plastic piece provided is different than the ones viewed on Utube so we wonder if they changed the design. Item will be returned, obviously!
                        Response from VPC, Home-Flex ExpertJun 20, 2023
                        Please see Toto's response. ValenciaPipe
                          • Verified Purchase
                          The Toto C100 is a very good choice to get...
                          The Toto C100 is a very good choice to get started with a bidet. Has many of the basic features, heated seat, warm water, front, back, oscillation, and warm air dryer. Installation is very straightforward, first bidet install took around 30 minutes, on my third one now takes around 15-20 if there are no hang ups. Usually the only hangup is many bathrooms don’t have outlets nearby.
                          • Verified Purchase
                          It is very good and useful....
                          It is very good and useful.
                          • Verified Purchase
                          Showing 1-10 of 72 reviews