TOTO Aquia IV WASHLET+ S5 - Comfort & Clean

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Free Shipping + No Sales Tax

TOTO Aquia IV Washlet+ S5 Two-Piece Universal Height

DYNAMAX Tornado Flush: 360-degree flush power cleans the entire bowl with every flush
EWATER+ Self-Cleaning: Electrolyzed water mists the wand before and after each use
PREMIST Bowl Spray: Mists the bowl before each use to help waste rinse away
Wireless Remote Control: Slim wireless remote with illuminated touchpad for easy adjustments
Heated Seat: Adjustable seat warmth for added comfort
Warm Air Dryer: Built-in dryer for a hands-free finish
CEFIONTECT Glaze: Smooth ceramic glaze keeps the bowl cleaner and prevents sticking

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet closed up

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet - WASHLET with heated seat, warm-air dryer, and cleansing spray on a blue background

PREMIST (Clean Synergy) with EWATER+ Self-Cleaning System

The system automatically mists the bowl before each use to help prevent waste from sticking. The wand also cleans itself before and after every use using treated water, enhancing overall hygiene and reducing maintenance.

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet - Diagram of adjustable water spray and pressure features on a gray background

Heated Seat, Warm Air Dryer, and Built-In Deodorizer

Enjoy everyday comfort with a heated seat, adjustable warm air dryer, and automatic air deodorizer that helps keep the bathroom fresh. All features are customizable through the slim wireless remote.

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet - White toilet with washlet+ branding on a dark blue background

Sleek WASHLET+ Design with Concealed Connections

The WASHLET+ system hides the water supply hose and power cord for a clean, integrated look. Combined with the skirted toilet design, it creates a modern aesthetic that’s also easier to clean.

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet - Close-up of a toilet bowl with Tornado Flush technology and swirling water pattern.

Powerful Dual Flush with Tornado Bowl Cleaning

Equipped with a high-efficiency dual flush system, the toilet uses a powerful 360° flushing action to clean the entire bowl effectively while conserving water.

Toto Aquia IV Washlet + S5

The TOTO Aquia IV WASHLET+ S5 is a premium, Universal Height two-piece toilet system built for ultimate comfort, efficiency, and cleanliness. Advanced, hands-free cleanliness is ensured by PREMIST and EWATER+ auto-cleaning of the wand.

Perfect for a luxurious, accessible, and water-saving bathroom upgrade featuring top-of-the-line comfort technology.

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet Specifications and Features

High-tech Electronic Bidet Seat and Toilet Combination
Toilet and Washlet included
Concealed supply connection for seamless installation
DYNAMAX TORNADO FLUSH utilizes 360° cleaning power to reach every part of the bowl
CEFIONTECT ceramic glaze minimizes waste from sticking to porous ceramic surfaces
Completely skirted design for a sleek and understated look
Easy to clean
Non-clog 2.5" trapway with clear glaze coating
Quiet dual Flush
Elongated front bowl and tank set with SoftClose Seat
Universal Height
12" Rough-in (optional 10" & 14" rough-in)
Elongated front WASHLET toilet seat with cover
EWATER+ auto cleans the wand
PREMIST of bowl before use
Convenient slim wireless remote, with illuminated touchpad
Front and rear warm water cleansing with adjustable temperature and pressure control
Heated seat with temperature control
Warm Air Dryer
Quick-release feature
Chrome push-button included
Night light

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet - Universal Height Compatibility

The TOTO Aquia IV WASHLET+ S5 is a two-piece smart toilet with an elongated bowl and integrated bidet seat. Confirm these four things before ordering:

Rough-in measurement: 12 inches standard. 10" and 14" rough-in supported with TSU01W adapter (sold separately).
Floor clearance: 21 inches in front of the bowl, 15 inches on each side.
Water supply: Standard ½-inch connection at the base. Concealed supply connection for seamless installation.
Electrical outlet: GFCI 120V within 3 feet (powers WASHLET+ S5 bidet seat with heated functions).

Toto toilet compatibility. Will it fit your space/

Installation steps

Prep. Shut off the water supply, flush to empty the tank, then disconnect the supply line.
Remove the old toilet. Unbolt from the floor and scrape the old wax ring from the flange.
Set the wax ring. Place a new wax ring on the flange, centered over the drain.
Seat the bowl. Lower the bowl onto the flange, press down firmly, and hand-tighten the bolts evenly.
Attach the tank. Bolt the tank to the bowl using the hardware provided, then reconnect the supply line.

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet Downloads

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet Manual

TOTO Aquia IV WASHLET+ S5 Two-Piece Toilet Spec Sheet

The S5 includes upgraded features such as unlimited warm water, an automatic deodorizer, and user memory settings. It offers a more premium experience compared to the more basic S2 model.
Yes, the S5 uses an instant water heating system, so you get unlimited warm water throughout the entire wash without running out.
Yes, it features PREMIST technology that wets the bowl before use and a powerful flushing system to reduce waste sticking and improve cleanliness.
Yes, it includes a heated seat, adjustable wash settings, and a warm air dryer, all designed to enhance comfort and convenience for daily use.
You’ll need access to a nearby electrical outlet for the WASHLET functions, but it installs like a standard two-piece toilet with a concealed connection system for a cleaner look.