TOTO KS6 vs K300: Why It’s Time to Upgrade
The TOTO K300 has been a trusted TOTO Washlet choice for years, offering warm water cleansing, a slim design, and dependable performance.
But with the Washlet K300 set to be discontinued, TOTO has introduced its replacement: the Washlet KS6.
The TOTO KS6 is available exclusively online and brings with it several improvements — some subtle, some significant — that make it a clear step forward.
Below is a feature-by-feature comparison of the TOTO KS6 vs TOTO K300, followed by a closer look at what makes the Washlet KS6 the better long-term investment.
TOTO K300 vs TOTO KS6 Comparison
| Feature | TOTO K300 | TOTO KS6 |
| Water Heating System | Instantaneous | Instantaneous |
| Wand Cleaning | EWATER+ (on demand) | EWATER+ (auto, in/out) + CLEAN RESIN |
| PREMIST | Yes | Yes |
| Spray Patterns | Dual-action with oscillation | Dual-action with oscillation |
| Adjustable Spray Position | No | Yes |
| User Presets | 2 | Up to 4 |
| Night Light | No | Yes |
| Seamless Seat Design | No | Yes |
| Heated Seat | Yes | Yes |
| Warm Air Dryer | Yes – 3 temps | Yes – 3 temps |
| Deodorizer | Yes | Yes |
| Remote | Slim, backlit, 2-user | Multifunction, 4-user memory |
| Auto Energy Saver Mode | No | Yes |
TOTO KS6 Full Feature List
- Instantaneous warm water system
- Dual-action spray with oscillation and adjustable position
- EWATER+ wand self-cleaning (inside and out, before and after use)
- CLEAN RESIN coating on wand and seat that resists dirt, grime, and buildup
- PREMIST bowl misting before every use
- Heated seat with 5 temperature settings
- Warm air dryer with 3 temperature levels
- Automatic deodorizer
- Seamless seat design for easier cleaning
- SoftClose seat
- White LED night light inside the bowl
- Multifunction remote with memory for up to 4 users
- Auto energy saver mode
- Fits most elongated toilets
Why the TOTO KS6 Is Better than the TOTO K300 – Key Improvements
1. Automatic Wand Cleaning with CLEAN RESIN
While both models include EWATER+ technology, the KS6 goes further by cleaning the wand automatically before and after every use. The addition of CLEAN RESIN adds an antimicrobial layer to resist grime and buildup over time.
2. Enhanced User Customization
The K300 supports just 2 user profiles, while the KS6 offers 4 user profiles. Everyone in your household can have their preferred pressure, temperature, and spray position saved and ready to go.
3. Seamless Seat and Better Design Hygiene
The Washlet KS6 features a fully seamless seat that eliminates the gap between the seat and body. That is an area known for trapping moisture and debris. The new seamless seat on the TOTO KS6 makes cleaning easier and helps maintain hygiene long-term.
4. Built-In Night Light for Convenience
Unlike the TOTO K300, the KS6 Washlet includes a soft bowl light that guides users at night without the need for bright overhead lighting.
5. Energy Efficiency
With auto energy saver mode, the TOTO KS6 lowers seat temperature when not in use, helping reduce power usage throughout the day.
6. Better Spray Control and Positioning
The Washlet KS6 allows spray position to be adjusted independently, giving users a more precise and personalized cleaning experience.
Final Thoughts
The TOTO Washlet KS6 isn’t just a replacement for the Washlet K300. It’s a meaningful upgrade in every way — more hygienic, more comfortable, and more refined.
With the TOTO K300 being phased out, the Washlet KS6 stands as the future of TOTO’s mid-premium lineup. Other new arrivals include the TOTO Washlet S5 and TOTO S2.
Available exclusively online, the TOTO Washlet KS6 offers luxury and advanced performance at your fingertips.
Ready to experience the difference? Order the TOTO KS6 today and be among the first to enjoy its spa-like comfort and effortless cleanliness.
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