TOTO WASHLET® S5 Smart Bidet Seat
The TOTO WASHLET® S5 transforms an ordinary toilet into a premium bathroom experience with advanced hygiene, personalized comfort, and intelligent cleaning technology.
ToiletKing offers the S5 as an upgrade for our Deluxe Collection and King’s Throne Collection, providing many of TOTO’s most popular WASHLET® features at an exceptional value.
From warm-water cleansing and a heated seat to automatic self-cleaning technologies and a wireless remote, the S5 delivers comfort you’ll appreciate every day. The S5 includes features such as EWATER+®, PREMIST®, an instantaneous water heater, warm air dryer, automatic deodorizer, heated seat, and memory settings for up to four users.

Why Homeowners Love the TOTO S5
A cleaner, healthier experience
Enjoy adjustable warm-water cleansing with front and rear wash modes, oscillating and pulsating spray patterns, adjustable pressure, and customizable temperature settings.
Self-cleaning technology
EWATER+® automatically cleans the spray wand after every use, while PREMIST® lightly mists the bowl before use to help reduce waste from sticking.

Everyday comfort
The heated seat, warm air dryer, automatic deodorizer, and wireless remote transform your bathroom into a more comfortable, spa-like space.
Designed for modern homes
The seamless seat design, SoftClose® seat, and integrated night light combine convenience with premium styling.
Cleaning Technology

The S5 incorporates several technologies that reduce cleaning while improving hygiene.
EWATER+®
Automatically cleans the spray wand after every use using electrolyzed water technology.
PREMIST®
Automatically mists the toilet bowl before each use to help prevent waste from adhering to the bowl.
Self-cleaning wand
The wand cleans itself inside and out before and after every use.
CLEAN RESIN®
Specialized materials help keep both the seat and spray wand cleaner and more hygienic over time.
Together, these technologies help reduce maintenance while improving everyday cleanliness.
Schedule your installation today.
Comfort & Personalization
Heated seat
Adjustable temperature settings provide year-round comfort.
Endless warm water
The instantaneous water heater delivers continuous warm water while improving energy efficiency.
Warm air dryer
Warm air dryer
Automatic deodorizer
Helps maintain a fresher bathroom after every use.
Four personalized user profiles
The wireless remote allows up to four users to save their preferred settings.
Smart Features
Wireless remote control
Operate every function using the intuitive multifunction remote.
Night light
Soft illumination helps guide nighttime bathroom visits.
SoftClose® seat
The seat closes gently and quietly every time.
Auto Energy Saver
Automatically adjusts seat temperature when not in use to reduce energy consumption.
Docking station
Allows the seat to be removed easily for cleaning and maintenance.
Pricing & Installation

Installing a premium electronic bidet seat involves more than replacing a toilet seat.
ToiletKing professionally installs, tests, and demonstrates every S5 to ensure every feature works exactly as designed. Note, an electrical GFI outlet is required for this product.
What’s Included
✔ Professional installation
✔ Water supply connection
✔ Operational testing
✔ Wireless remote setup
✔ Feature demonstration
✔ Complete cleanup
Key Specifications:
- High-tech electronic bidet seat
- Compatible with most elongated toilets
- EWATER+®
- PREMIST®
- Instantaneous water heater
- Warm air dryer
- Automatic deodorizer
- Heated seat
- SoftClose® seat
- Night light
- Wireless remote
- Four user memory settings
Available in:
- Cotton
- Sedona Beige

Is This Bidet Right For You?
Great Fit If You Want:
- Better personal hygiene
- Heated seating
- Warm-water cleansing
- Easier bathroom cleaning
- Luxury comfort without stepping up to the flagship S7A
Consider the S7A If You Want:
- Automatic open & close lid
- Touchless operation
- TOTO’s most advanced smart seat
- The ultimate luxury bathroom experience
This is the bidet for me.
Why ToiletKing?
The TOTO WASHLET® S5 Smart Bidet Seat is Perfect For
- Primary bathrooms
- Bathroom remodels
- Aging-in-place upgrades
- Homeowners new to bidet seats
- Customers seeking premium comfort and hygiene
Northern Virginia Service Area
- Arlington
- Alexandria
- Ashburn
- Leesburg
- Sterling
- Fairfax County
- Loudoun County
- Prince William County
Maryland Service Area
- Bethesda
- Rockville
- Gaithersburg
- Silver Spring
- Montgomery County
- Prince George’s County
Frequently Asked Questions
What is the difference between the S5 and the S7A?
The S5 includes many of TOTO’s signature features—such as EWATER+®, PREMIST®, a heated seat, warm-water cleansing, warm air drying, automatic deodorizer, and user memory settings—but the S7A adds additional luxury features like an automatic open/close lid and other premium automation.
Does the S5 fit my toilet?
The S5 is compatible with most elongated toilets, including many TOTO and non-TOTO models. We’ll verify compatibility before installation.
Does it require electricity?
Yes. The S5 plugs into a standard 120V GFCI outlet.
Does it clean itself?
Yes. The S5 features EWATER+®, PREMIST®, a self-cleaning wand, and CLEAN RESIN® technology to help reduce maintenance and improve hygiene.
Can I install it on my existing toilet?
In many cases, yes. The S5 is compatible with most elongated toilets. We’ll confirm compatibility before installation.
Do you offer a warranty?
The S5 includes TOTO’s one-year limited warranty, and your installation is backed by ToiletKing’s installation warranty.
Upgrade your Premium or King’s Throne Collection with the TOTO WASHLET® S5 and enjoy cleaner, more comfortable living every day.