3 Best TOTO Round Bidet Seats, Compared
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Finding the best TOTO round bidet seats requires checking the published specifications for your toilet. We compared 3 models to help you decide. The TOTO C5 Round Bidet Seat leads because it includes a remote control and PREMIST feature. These specs offer convenience and reduced cleaning needs for round bowls. Our picks are based strictly on the data provided in the listings. We do not test products or quote reviews. This guide helps you choose the right seat for your bathroom based on size, weight, and included components.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | TOTO C5 Round Bidet Seat Best overall | Users wanting remote control and PREMIST | Check price of TOTO C5 Round Bidet Seat on Amazon |
| 2 | TOTO Washlet S5 Round Bidet Best premium | Round toilet owners wanting PREMIST and EWATER+ | Check price of TOTO Washlet S5 Round Bidet on Amazon |
| 3 | TOTO WASHLET S2 Round Electric Bidet Best budget | Standard round toilets needing basic electronic hygiene | Check price of TOTO WASHLET S2 Round Electric Bidet on Amazon |
The best fit for you
- You want the most compact model on the list TOTO Washlet S5 Round Bidet Its 0.99 inch height is the lowest profile among these round seats.
- You want remote control and PREMIST feature TOTO C5 Round Bidet Seat This model includes a remote and the PREMIST anti-spray coating.
- You want basic hygiene with side-panel controls TOTO WASHLET S2 Round Electric Bidet It uses straightforward side-panel controls and instant heating for simple operation.
Our 3 picks
TOTO C5 Round Bidet Seat
Best for: Users wanting remote control and PREMIST
- Shape
- Round (what this guide is about)
- Seat Shape
- Round
- Wash Modes
- Pulsating, oscillating
- Included Components
- Bidet
- Dimensions
- 19 × 15.1 × 5.81 inches
- Weight
- 14.3 pounds
View on Amazon: TOTO C5 Round Bidet Seat Affiliate link
The TOTO C5 is a round electronic bidet seat designed for straightforward, reliable hygiene. It features adjustable warm water with pulsating and oscillating modes for effective cleansing. Key specs include a 19-inch length and 14.3-pound weight. It adds convenience with an included remote, air deodorizer, and PREMIST bowl misting. This model suits users who want essential wash functions without the complexity of higher-end tiers.
Pros
- Includes remote control for personalized settings
- Features PREMIST to prevent bowl waste adhesion
- Offers EWATER+ wand self-cleaning system
- Provides two user memory settings
- Includes air deodorizer for odor neutralization
Cons
- Round shape fits only round toilets
- Lacks the advanced spray precision of S5 models
- Heavier build at 14.3 pounds
Good fit if
- You need a remote-controlled bidet seat
- You want PREMIST bowl protection
- You prefer a simpler feature set than the S5
Skip if
- You have an elongated toilet bowl
- You require the highest-end spray technology
- You want app-based smartphone control
Verdict: TOTO C5 Round Bidet Seat is a solid mid-tier option for those who value the remote and PREMIST feature. It delivers dependable cleansing for round toilets without the premium cost of the S5.
TOTO Washlet S5 Round Bidet
Best for: Round toilet owners wanting PREMIST and EWATER+
- Shape
- Round (what this guide is about)
- Seat Shape
- Round
- Wash Modes
- Pulsating and oscillating
- Included Components
- Bidet
- Dimensions
- 19.1 × 15.1 × 0.99 inches
- Weight
- 15.2 pounds
View on Amazon: TOTO Washlet S5 Round Bidet Affiliate link
The TOTO WASHLET S5 is a round electronic bidet seat with instantaneous water heating. It features pulsating and oscillating wash modes for thorough cleaning. The unit includes PREMIST to prevent waste buildup and EWATER+ for wand self-cleaning. It offers a heated seat, nightlight, air deodorizer, and adjustable warm air dryer. Four user memory settings allow personalized control via remote.
Pros
- Instantaneous water heating for continuous warm water
- Pulsating and oscillating wash modes
- PREMIST technology prevents waste from sticking
- EWATER+ wand self-cleaning system
- Four user memory settings for quick access
Cons
- Heavier build at 15.2 pounds
- Requires remote control for operation
- Limited to Round seat shape only
Good fit if
- You want a round toilet seat
- You prefer instantaneous water heating
- You value automatic bowl misting
Skip if
- You have an elongated toilet bowl
- You prefer a seat with a display panel
- You want a lighter seat under 10 pounds
Verdict: TOTO WASHLET S5 Round Bidet Seat is a practical choice for round-bowl owners who want advanced cleaning features like PREMIST and EWATER+. It suits those who appreciate the convenience of remote-controlled memory settings and instantaneous heating.
TOTO WASHLET S2 Round Electric Bidet
Best for: Standard round toilets needing basic electronic hygiene
- Shape
- Round (what this guide is about)
- 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 S2 is a round electronic bidet seat with instant water heating. It features pulsating and oscillating wash modes for targeted cleaning. The unit includes PREMIST to prevent bowl residue and EWATER+ for wand sanitation. A side panel controls settings, while a heated seat and nightlight add comfort. It is a practical choice for users seeking reliable hygiene features in a standard round toilet configuration.
Pros
- Instantaneous water heating for continuous warm streams
- Pulsating and oscillating wash modes
- PREMIST technology prevents waste adhesion
- EWATER+ wand self-cleaning system
- Adjustable warm air dryer
Cons
- Round seat shape limits compatibility with elongated toilets
- Side panel controls are less convenient than remote units
- No app connectivity or smartphone integration
Good fit if
- You own a standard round toilet
- You want instant heating without a tank
- You prefer physical controls over a remote
Skip if
- You have an elongated toilet bowl
- You require remote control operation
- You need smartphone app management
Verdict: The TOTO S2 Round Bidet Seat offers essential hygiene features like instant heating and PREMIST for standard round toilets. It suits buyers who value straightforward side-panel controls and reliable sanitation over remote convenience.
Specifications side by side
| Spec | TOTO C5 Round Bidet Seat | TOTO Washlet S5 Round Bidet | TOTO WASHLET S2 Round Electric Bidet |
|---|---|---|---|
| Seat Shape | Round | Round | Round |
| Wash Modes | Pulsating, oscillating | Pulsating and oscillating | Pulsating and oscillating |
| Included Components | Bidet | Bidet | Bidet |
| Shape | Round | Round | Round |
| Dimensions | 19 × 15.1 × 5.81 inches | 19.1 × 15.1 × 0.99 inches | 19.1 × 18.4 × 5.5 inches |
| Weight | 14.3 pounds | 15.2 pounds | 16 pounds |
| Size | C5Round | Round | Round |
| Color | Cotton White | Cotton White | Cotton White |
| Model | SW3083#01 | SW3445#01 | SW3345#01 |
How to Choose the Right TOTO Round Bidet Seat
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Check Toilet Bowl Shape
All three models in this guide are built for round bowls. You must verify your toilet shape before buying. A round seat will not fit an elongated bowl. The C5, S5, and S2 all share this specific shape requirement. Measure your bowl to confirm it is round. This is the first step in compatibility. Choosing the wrong shape leads to installation failure. Ensure your fixture matches the product design. This simple check prevents returns and wasted time. It is the most critical spec to validate.
-
Compare Control Methods
You have two main control options here. The C5 and S5 include a remote control. This allows you to adjust settings from a distance. The S2 uses side-panel controls instead. You should choose the remote if you prefer convenience. Side panels are simpler but require reaching forward. Decide which method fits your bathroom layout. Remote controls add complexity but offer more presets. Side panels are straightforward for basic users. Pick the interface that matches your daily habits.
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Evaluate PREMIST Feature
The PREMIST feature prevents spray from sticking to the bowl. The C5 and S5 both include this technology. It reduces cleaning frequency and improves hygiene. The S2 also offers PREMIST for sanitation. You should look for this spec if you want less maintenance. It works by misting the bowl before use. This feature is valuable for keeping the toilet clean. Check if your preferred model includes it. It is a key differentiator for odor control.
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Review Seat Dimensions
Size matters for fit and aesthetics. The C5 is 19 inches long and 15.1 inches wide. The S5 is slightly longer at 19.1 inches. The S2 is also 19.1 inches long. Height varies significantly. The S5 is very low at 0.99 inches. The C5 and S2 are taller. Check these specs against your toilet space. Ensure there is room for the seat lid. Measure your existing setup to avoid conflicts. These dimensions determine how the seat sits on your bowl.
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Assess Weight and Build
Weight indicates the build quality and material. The S2 is the heaviest at 16 pounds. The S5 weighs 15.2 pounds. The C5 is the lightest at 14.3 pounds. Heavier seats often feel more durable. Lighter seats may be easier to install. Consider the weight when handling the unit. It affects stability once mounted. Check the weight spec to gauge solidity. This helps you understand the product feel. Heavier models may offer better long-term stability.
Frequently asked questions
Which TOTO round bidet seat is best for remote control users?
The TOTO C5 Round Bidet Seat is the top choice for remote control. It includes a handheld remote for easy operation. This model also features PREMIST to reduce spray. It offers dependable cleansing for round toilets without the higher cost of the S5.
What is the thinnest TOTO round bidet seat available?
The TOTO Washlet S5 Round Bidet has the lowest profile at 0.99 inches high. It is the most compact option on this list. Despite its thin design, it includes advanced features like EWATER+ and instant heating. It fits standard round toilet bowls perfectly.
Does the TOTO S2 come with a remote control?
No, the TOTO WASHLET S2 Round Electric Bidet does not include a remote. It uses straightforward side-panel controls instead. This model focuses on basic electronic hygiene and instant heating. It is ideal for users who prefer simple manual operation over remote convenience.
Which TOTO round bidet includes PREMIST technology?
All three models listed include the PREMIST anti-spray feature. The C5, S5, and S2 all have this technology. PREMIST helps reduce spray and keeps the bowl cleaner. You get this benefit regardless of whether you choose the remote-controlled C5 or the side-panel S2.
How heavy is the TOTO C5 Round Bidet Seat?
The TOTO C5 Round Bidet Seat weighs 14.3 pounds. It is the lightest model among the three options. The S5 weighs 15.2 pounds, and the S2 weighs 16 pounds. Its lighter weight makes it easy to handle during installation or cleaning.
What is the width of the TOTO S2 bidet seat?
The TOTO WASHLET S2 Round Electric Bidet is 18.4 inches wide. This is the widest seat on the list. The C5 and S5 are both 15.1 inches wide. The S2 offers a broader surface area for users who prefer a wider seat design.
Which model offers instant heating without a remote?
The TOTO WASHLET S2 Round Electric Bidet provides instant heating without a remote. It uses side-panel controls for all functions. You still get essential hygiene features like PREMIST. It is a practical choice for round toilets where you want basic electronic features.