What is the benefit of a one-piece toilet?

A one-piece toilet has a smooth, seamless design that is easier to clean and looks more modern. It also has fewer gaps where dirt can build up.

Yes, it comes with a remote control that makes it easy to adjust settings. It’s designed to be simple and user-friendly.

Does this toilet need electricity?

Yes, it requires a nearby power outlet to use features like the heated seat, warm water wash, dryer, and deodorizer.

Does the bidet have unlimited warm water?

Yes, the S5 provides continuous warm water, so it doesn’t run out during use. This makes it more comfortable, especially for longer use.

Can I adjust the bidet settings?

Yes, you can adjust the water temperature, pressure, and spray position. You can also save your preferred settings for easy use.

TOTO Aquia IV WASHLET+ S5 Toilet

TOTO Aquia IV Washlet+ S5 One-Piece

DYNAMAX Tornado Flush: 360-degree cleaning power reaches every part of the bowl
CEFIONTECT Glaze: Smooth ceramic glaze keeps the bowl cleaner and prevents sticking
EWATER+ Self-Cleaning: Electrolyzed water mists the wand and bowl for added cleanliness
Dual Nozzle Cleansing: Front and rear warm water spray with adjustable temperature and pressure
Heated Seat: Warm seat with adjustable temperature control
Warm Air Dryer: Variable temperature settings for a hands-free finish
Wireless Remote Control: Slim remote with illuminated touchpad for convenient adjustments

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

PREMIST (Clean Synergy) with Self-Cleaning Wand

The bowl is lightly misted before each use to help prevent waste from sticking. The wand also cleans itself automatically before and after use to help maintain better hygiene.

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet - Diagram of instant warm water system for a TOTO washlet bidet with text explaining its functionality.

Heated Seat, Warm Air Dryer, and Deodorizer

Includes comfort features like a heated seat, adjustable dryer, and built-in deodorizer. These help improve your overall experience and keep your bathroom smelling fresh.

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet - Washlet toilet with night light feature on a black background

Night Light with Easy Remote Control

A soft night light helps you see at night without turning on bright lights. The remote control makes it easy to adjust settings and save preferences for different users.

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet dimensions

Universal Height for Everyday Comfort

Designed at a comfortable height, making it easier to sit down and stand up. This is ideal for most users and adds convenience for daily use.

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet

The TOTO Aquia IV WASHLET+ S5 One-Piece Toilet offers the ultimate combination of luxury and effortless cleaning. The top-tier WASHLET S5 provides luxurious comfort with a heated seat, warm water spray, automatic air deodorizer, and full control via a slim wireless remote.

Perfect for homeowners who desire the best in modern hygiene, design, and comfort.

TOTO Aquia IV WASHLET+ S5 One-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 that’s easier to clean
Non-clog 2.5" trapway with clear glaze coating
Quiet dual flush
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
Automatic air deodorizer
Warm air drying with three variable temperature settings
Quick-release feature
Chrome push-button included

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet Compatibility

The Aquia IV WASHLET+ S5 is a one-piece smart toilet with integrated bidet. Confirm these four requirements before installation.

Rough-in measurement: Standard 12-inch rough-in. 10-inch and 14-inch rough-ins available with TSU01W adapter sold separately.
Bowl shape: Elongated bowl only. Verify your current toilet footprint matches elongated dimensions.
Electrical outlet: GFCI 120V outlet required within 3 feet of the toilet for the WASHLET+ S5 electronics.
Floor clearance: Confirm at least 21 inches of clearance in front of the toilet for the seat and lid to open fully.

Installation steps

Prep. Shut off water supply, flush to empty tank, and disconnect the supply line from the old toilet.
Remove old toilet. Unbolt and remove the old toilet; scrape away the wax ring and clean the flange.
Set wax ring. Place a new wax ring on the flange, ensuring it sits flush with the drain opening.
Seat new toilet. Lower the Aquia IV onto the wax ring, align the bolt holes, and hand-tighten the bolts.
Connect and test. Attach water supply, restore water pressure, check for leaks, plug into GFCI outlet, and test all functions.

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet Downloads

TOTO Aquia IV WASHLET+ S5 One-Piece Toilet Manual

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

A one-piece toilet has a smooth, seamless design that is easier to clean and looks more modern. It also has fewer gaps where dirt can build up.
Yes, it comes with a remote control that makes it easy to adjust settings. It’s designed to be simple and user-friendly.
Yes, it requires a nearby power outlet to use features like the heated seat, warm water wash, dryer, and deodorizer.
Yes, the S5 provides continuous warm water, so it doesn’t run out during use. This makes it more comfortable, especially for longer use.
Yes, you can adjust the water temperature, pressure, and spray position. You can also save your preferred settings for easy use.