TOTO® WASHLET® S2 Electronic vs TOTO® WASHLET® KS5 Electronic: Spec Comparison
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This comparison looks at the toto toto washlet s2 electronic vs toto washlet ks5 electronic. Both units offer instantaneous water heating, heated seats, and self-cleaning wands. They share a soft-close feature and a built-in nightlight. The main difference lies in their shape and control method. The KS5 is elongated with a remote, while the S2 is round with a side panel. You should check your toilet fit and preferred control style before deciding.
Key differences
| Aspect | TOTO Washlet KS5 Elongated Bidet | TOTO WASHLET S2 Round Electric Bidet |
|---|---|---|
| Seat Shape | Elongated | Round |
| Control Type | Wireless remote | Side panel |
| Wash Modes | Oscillating | Pulsating and oscillating |
| Special Features | Not listed | PREMIST, EWATER+, air deodorizer |
| User Memory | 4 settings | Not listed |
| Weight | 11.2 pounds | 16 pounds |
Which one should you choose?
Choose TOTO Washlet KS5 Elongated Bidet if
- You have an elongated toilet bowl and need a compatible seat.
- You prefer using a wireless remote for personalized settings.
- You want a lighter unit that is easier to handle during installation.
Choose TOTO WASHLET S2 Round Electric Bidet if
- You have a round toilet bowl and need a compatible seat.
- You want additional cleaning features like PREMIST and EWATER+.
- You prefer an air deodorizer to neutralize bathroom odors.
Verdict: Choose the KS5 if your toilet is elongated and you value the convenience of a wireless remote with memory settings. Pick the S2 if your toilet is round and you want advanced hygiene features like PREMIST and an air deodorizer. Your decision ultimately depends on your toilet shape and desired control interface.
KS5 vs S2 Bidet Specs
Seat Shape Fit
The TOTO Washlet KS5 Elongated Bidet is designed specifically for elongated toilet bowls. Its dimensions measure 20.9 inches in length. This shape provides a longer seating surface for most standard modern toilets. In contrast, the TOTO WASHLET S2 Electronic is available in a Round shape. The round version measures 19.1 inches in length. Round seats are typically found on older or compact toilet models. You must match the seat shape to your existing toilet bowl. Using the wrong shape can result in a poor fit or overhang. Check your toilet dimensions before selecting either model. The KS5 suits elongated bowls, while the S2 round fits standard round bowls.
Control Method
Control interfaces differ significantly between these two units. The KS5 Elongated Bidet includes a wireless remote control. This remote offers four user memory settings for quick access to personalized preferences. You can adjust water temperature and spray position without reaching for the seat. The S2 Electronic uses a side panel for control. This panel is mounted directly on the unit. It allows you to set personalized water cleansing settings manually. The remote provides greater flexibility for positioning, while the side panel is always attached. Choose the remote if you prefer easy access from a distance. Choose the side panel if you want a fixed, integrated control interface.
Wash Modes
Both seats provide instant and continuous warm water streams. The wash modes offer different sensations for your cleaning needs. The KS5 Elongated Bidet features an oscillating option. This mode moves the water stream back and forth. It creates a refreshing clean with a broader coverage area. The S2 Electronic offers both pulsating and oscillating options. The pulsating mode provides a rhythmic, massaging spray. This combination gives you more variety in your cleansing experience. If you prefer a single, steady motion, the KS5 is sufficient. If you want the option for a massaging pulse, the S2 provides that extra feature for comfort.
Deodorization
Air quality management is a key difference in everyday use. The S2 Electronic includes a built-in air deodorizer. This feature neutralizes bathroom odors using powerful air filters. It activates automatically to keep the space smelling fresh. The KS5 Elongated Bidet does not list an air deodorizer in its specifications. It focuses on water heating, heated seats, and a nightlight. If maintaining a fresh bathroom atmosphere is important to you, the S2 has a clear advantage. The KS5 relies on ventilation or other room fixtures for odor control. Consider your bathroom size and ventilation when deciding if deodorization is necessary for your routine.
Physical Dimensions
The physical footprint of each unit varies slightly. The KS5 Elongated Bidet is 15 inches wide and 5.38 inches high. It weighs 11.2 pounds. The S2 Electronic is 18.4 inches wide and 5.5 inches high. It weighs 16 pounds. The S2 is wider and heavier, which may affect clearance in tight spaces. The KS5 is more compact in width and lighter. Ensure your bathroom has enough space around the toilet for the wider S2 model. The height difference is minimal, but the weight difference is notable for installation. Heavier units may require more robust mounting. Measure your available space carefully to ensure a proper fit for your chosen model.
Which bidet fits your toilet shape
Owner of elongated toilet bowls
The KS5 is shaped for elongated bowls. It measures 20.9 inches long. This ensures a proper fit for your specific toilet model. The unit includes a wireless remote. You can access four memory settings. This allows you to save your preferred cleansing preferences for quick use by any family member.
User wanting advanced cleaning features
The S2 adds PREMIST technology. This mists the bowl before use to prevent waste from sticking. It also includes an air deodorizer. The wand self-cleans with EWATER+. You get both pulsating and oscillating wash modes. These features provide a more thorough hygiene routine compared to standard oscillating only options.
Owner of round toilet bowls
The S2 is available in a round shape. This fits standard round toilet bowls perfectly. The unit measures 19.1 inches in length. You control settings via a side panel. The design includes a built-in nightlight. This provides soft illumination in the bathroom during nighttime use without needing to turn on overhead lights.
The products compared
TOTO Washlet KS5 Elongated Bidet
Best for: Elongated toilets needing multi-user settings
- Seat Shape
- Elongated
- Remote Control
- Wireless remote
- Wash Modes
- Oscillating
- Included Components
- Bidet
- Heated Seat
- Heated Seat
- Dimensions
- 20.9 × 15 × 5.38 inches
View on Amazon: TOTO Washlet KS5 Elongated Bidet Affiliate link
The TOTO KS5 offers an elongated seat shape and instant water heating for continuous warm streams. It features a wireless remote with four user memory settings for personalized control. The heated seat and adjustable dryer add comfort. This model suits users who prefer a standard elongated toilet and want dedicated settings for multiple household members.
Pros
- Instantaneous water heating for continuous warm streams
- Wireless remote with 4 user memory settings
- Elongated seat shape fits most standard toilets
- Heated seat and adjustable warm air dryer
Cons
- Oscillating wash mode only, no pulsating option
- No smart app connectivity for remote control
- Fixed elongated shape not suitable for round bowls
Good fit if
- You have an elongated toilet bowl
- You want personalized settings for multiple users
- You prefer a wireless remote over wall controls
Skip if
- You have a round-front toilet bowl
- You want pulsating water massage options
- You require smartphone app integration
Verdict: The TOTO KS5 Elongated Bidet Seat is a practical choice for households with elongated toilets who value dedicated user profiles. It delivers consistent warmth and convenient remote control without the complexity of smart features.
TOTO WASHLET S2 Round Electric Bidet
Best for: Round toilet owners wanting instant heat
- Seat Shape
- Round
- Wash Modes
- Pulsating and oscillating
- Included Components
- Bidet
- Dimensions
- 19.1 × 18.4 × 5.5 inches
- Weight
- 16 pounds
View on Amazon: TOTO WASHLET S2 Round Electric Bidet Affiliate link
The TOTO WASHLET S2 is a round electronic bidet seat featuring instantaneous water heating. It offers pulsating and oscillating wash modes for personalized cleansing. Key features include PREMIST bowl treatment, EWATER+ wand sterilization, and an air deodorizer. The side panel allows manual control of settings. This model is designed for users seeking dependable hygiene and consistent warmth in a standard round toilet configuration.
Pros
- Instantaneous water heating for continuous warm water
- Pulsating and oscillating wash modes
- PREMIST feature prevents waste adhesion
- EWATER+ wand self-cleaning system
- Built-in air deodorizer and nightlight
Cons
- Round seat shape limits compatibility with elongated toilets
- Control is limited to the side panel without a remote
- Manual settings require adjusting the side panel each time
Good fit if
- You have a round toilet bowl
- You want instant hot water without waiting
- You prefer manual side-panel controls
Skip if
- You have an elongated toilet bowl
- You need a remote control for operation
- You require a square or compact seat shape
Verdict: The TOTO WASHLET S2 Round Bidet Seat is a solid choice for owners of round toilets who value instant heating and self-cleaning features. It fits users who are comfortable with side-panel adjustments and do not need remote convenience.
Specifications side by side
| Spec | TOTO Washlet KS5 Elongated Bidet | TOTO WASHLET S2 Round Electric Bidet |
|---|---|---|
| Seat Shape | Elongated | Round |
| Remote Control | Wireless remote | not stated |
| Wash Modes | Oscillating | Pulsating and oscillating |
| Included Components | Bidet | Bidet |
| Shape | Elongated | Round |
| Heated Seat | Heated Seat | not stated |
| Dimensions | 20.9 × 15 × 5.38 inches | 19.1 × 18.4 × 5.5 inches |
| Weight | 11.2 pounds | 16 pounds |
| Size | Elongated | Round |
| Color | Cotton White | Cotton White |
| Model | SW3216#01 | SW3345#01 |
Frequently asked questions
Which bidet seat is better for multiple users?
The TOTO KS5 Elongated Bidet is the better choice for households with multiple users. It includes a wireless remote that allows access to four dedicated memory settings. This feature lets each user save their preferred spray and temperature preferences. The S2 model lacks these multi-user profiles, making it less suitable for shared bathrooms.
Does the KS5 come with a remote control?
Yes, the TOTO KS5 Elongated Bidet includes a wireless remote control. This remote provides convenient access to all functions without you needing to reach for the side panel. The S2 model relies on side-panel adjustments, which requires you to be seated or reach over to change settings. The remote adds a layer of ease for daily use.
What is the weight difference between the two models?
The TOTO KS5 Elongated Bidet weighs 11.2 pounds. The TOTO WASHLET S2 Round Bidet Seat is heavier at 16 pounds. This difference may matter if you are mounting the seat on a specific type of toilet bowl or if you plan to move the unit frequently. The lighter KS5 is easier to handle during installation.
Which model is wider?
The TOTO WASHLET S2 Round Bidet Seat is wider at 18.4 inches. The TOTO KS5 Elongated Bidet measures 15 inches in width. This width difference corresponds to the shape of the toilet bowl they are designed for. Ensure your toilet bowl dimensions match the seat width to avoid installation issues or gaps.
Are both models available in white?
Yes, both the TOTO KS5 and the TOTO S2 are available in Cotton White. This color matches most standard toilet fixtures. The S2 model is explicitly listed as Cotton White. The KS5 is also described in Cotton White. This ensures a cohesive look in your bathroom regardless of which shape you choose.
Which model is taller?
The TOTO WASHLET S2 Round Bidet Seat is slightly taller at 5.5 inches in height. The TOTO KS5 Elongated Bidet measures 5.38 inches. This small difference in height is unlikely to affect functionality but is a precise specification to note for strict fitment requirements. Both seats sit flush with their respective toilet bowls.
Can I use the S2 on an elongated toilet?
No, the TOTO WASHLET S2 is designed specifically for round toilet bowls. Its dimensions and shape are optimized for round fixtures. Using it on an elongated toilet would result in an improper fit. You should choose the KS5 if your toilet bowl is elongated, as it is built to match that specific shape perfectly.
Which bidet is more compact?
The TOTO KS5 Elongated Bidet is more compact in width, measuring 15 inches. However, it is longer at 20.9 inches. The S2 is wider at 18.4 inches but shorter in length at 19.1 inches. Consider the available space around your toilet. The KS5 extends further forward, while the S2 takes up more side space.