TOTO Aquia IV Washlet+ S7A One-Piece

TOTO

SKU: MW6464736CEMFGNA#01

$3,594.00

$2,516.00

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Integrated Bidet Seat: WASHLET S7A

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TOTO Aquia IV WASHLET+ S7A — MW6464736CEMFGNA#01

The TOTO Aquia IV WASHLET+ S7A One-piece Toilet is a completely skirted one-piece toilet with dual-flush DYNAMAX TORNADO FLUSH® and TOTO's top-tier WASHLET+ S7A, the only seat in the range with a touchless lid.

Choose the auto-flush configuration and the toilet flushes itself while the lid opens and closes untouched, so an ordinary visit needs no contact with the fixture at all; the standard configuration keeps the same seat and adds the flush kit only if you want it later.

Toilet Type: One-piece WASHLET+ toilet
Height: Universal Height
Bowl Shape: Elongated, completely skirted
Flush: DYNAMAX TORNADO FLUSH® — 1.28 / 0.9 GPF
Rough-In: 12" standard; optional 10" (TSU48.10) and 14" (TSU48.14)
Included WASHLET: WASHLET+ S7A (SW4736AT40)
Controls: Multifunction pearl white block-style remote, memory for up to 4 users
Auto Flush: Included with the auto-flush model (THU855 kit); available as an upgrade on the standard model

DYNAMAX TORNADO FLUSH® with Dual Flush

TOTO's DYNAMAX TORNADO FLUSH uses 360º cleaning power to reach every part of the bowl, and you pick 1.28 GPF for a full flush or 0.9 GPF for a reduced one.

CEFIONTECT® Ceramic Glaze

CEFIONTECT minimizes waste sticking to porous ceramic surfaces, which supports easier bowl cleaning between flushes.

Completely Skirted WASHLET+ Design

The skirted exterior gives you a flat surface to wipe rather than a contoured trapway, and the WASHLET+ connection conceals the seat's supply line.

Adjustable Warm-Water Cleansing

The S7A washes front and rear with aerated warm water, with oscillating and pulsating modes and independently adjustable position, temperature and pressure.

Heated Seat and Five-Setting Dryer

The seat is heated with its own temperature control, and the warm-air dryer offers five variable temperature settings.

Touchless Auto Open/Close Lid

The S7A is the only WASHLET tier with a touchless auto open/close lid, which is what separates it from the otherwise closely matched S7.

TOTO Aquia IV S7A MW6464736CEMFGNA Installation

TOTO Aquia IV Washlet+ S7A One-Piece dimensions

TOTO Aquia IV Washlet+ S7A One-Piece Compatibility

The TOTO Aquia IV Washlet+ S7A is a one-piece smart toilet with integrated bidet seat. Confirm these four things before ordering:

Rough-in measurement: 12-inch standard. 10" and 14" 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 of the toilet.
Electrical outlet: GFCI 120V within 3 feet (powers integrated bidet seat and smart controls).

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 new toilet. Lower onto the flange, press down firmly, and hand-tighten the bolts evenly.
Connect and test. Reconnect the supply line, restore water, and plug the bidet into the GFCI outlet.

Need a Professional Installer near you?

If you need help finding a professional installer in your area, checkout Licensed TOTO Installers page to find one near you.

TOTO Aquia IV Washlet+ S7A One-Piece Downloads

TOTO Aquia IV Washlet+ S7A One-Piece Installation and Owner's Manual

TOTO Aquia IV Washlet+ S7A One-Piece Spec Sheet

Frequently Asked Questions about TOTO Aquia IV S7A MW6464736CEMFGNA

How is the TOTO Washlet S7 different from the S7A?

The difference between the TOTO Washlet S7 and S7A is that the S7A has an automatic lid that opens and closes by itself, while the S7 does not. Both have similar cleaning and comfort features.

Is the TOTO Aquia IV a reliable toilet?

Yes, the TOTO Aquia IV is a reliable toilet because it has a strong flush, water-saving system, and a design that’s easy to keep clean.

What features come with the TOTO Aquia IV?

The TOTO Aquia IV comes with a dual flush system, powerful flushing, smooth ceramic glaze, and a clean, modern design with WASHLET+ compatibility.

What material is the TOTO Aquia IV made from?

The TOTO Aquia IV is made from durable ceramic with a smooth glaze that helps prevent dirt and waste from sticking.

Can a WASHLET replace toilet paper?

Yes, a WASHLET can reduce or even replace toilet paper because it uses warm water to clean and has a built-in air dryer.

DYNAMAX TORNADO FLUSH® with 1.28 / 0.9 GPF Dual Flush

TOTO states that DYNAMAX TORNADO FLUSH utilizes 360º cleaning power to reach every part of the bowl.

You get two flush volumes: 1.28 GPF for a full flush and 0.9 GPF for the reduced flush, which TOTO classes as ultra high-efficiency.

The flush is operated by a chrome plated trip lever, and the trap measures 2-1/4" across.

360º bowl-rinsing DYNAMAX TORNADO FLUSH
1.28 GPF full, 0.9 GPF reduced
Chrome plated trip lever flush control

CEFIONTECT® with a Completely Skirted WASHLET+ Design

CEFIONTECT ceramic glaze minimizes waste from sticking to porous ceramic surfaces, supporting easier bowl cleaning between flushes.

TOTO describes the completely skirted design as a sleek and understated look that is easier to clean, with no contoured trapway to wipe around.

Because this is a one-piece toilet there is no seam between tank and bowl to wipe along.

CEFIONTECT glazed elongated bowl
Completely skirted one-piece exterior
Concealed WASHLET+ supply connection

Adjustable Warm-Water Cleansing with Heated Seat and Dryer

On this one-piece Aquia IV the S7A cleanses front and rear with gentle aerated warm water, with oscillating and pulsating features.

Spray position, water temperature and water pressure each adjust on their own, and the water range runs 86ºF–104ºF.

An instantaneous water heater supplies continuous warm water, the seat is heated across 82ºF–97ºF, and the warm air dryer offers five variable settings.

Front and rear aerated warm water
Oscillating and pulsating spray modes
Five-setting warm air dryer

EWATER+®, PREMIST® and the Touchless Auto Open/Close Lid

EWATER+ auto-cleans the wand and the bowl after every use, and PREMIST automatically mists the bowl before each one.

The wand also cleans itself inside and out before and after every use.

The S7A is the only tier with a touchless auto open/close lid, driven by a multifunction pearl white block-style remote control that stores each user's settings. CLEAN RESIN keeps the wand and seat easier to maintain, and night light illuminates the side and the inside of the bowl.

EWATER+ on the wand and bowl
PREMIST before every use
Touchless auto open/close lid

What do you get with the Aquia IV WASHLET+ S7A?

This is combination MW6464736CEMFGNA#01: the Aquia IV one-piece toilet with the CST646CEMFGNAT40 elongated CEFIONTECT bowl, and the SW4736AT40 WASHLET+ S7A, in Cotton.

It is Universal Height, with a 17 3/16" (437mm) seat height, flushes at 1.28 / 0.9 GPF, and sets on a 12" rough-in, with 10" and 14" Unifit adapters available as TSU48.10 and TSU48.14.

The auto-flush model adds TOTO's THU855 Auto Flush Kit; the standard model does not include it, and TOTO lists it as an available upgrade.

TOTO Aquia IV WASHLET+ S7A One-piece Toilet Features

Feature	Details
Aquia IV Toilet Features
DYNAMAX TORNADO FLUSH®	Utilizes 360º cleaning power to reach every part of the bowl.
Dual Flush	1.28 GPF full flush / 0.9 GPF reduced flush (4.8 LPF / 3.4 LPF).
CEFIONTECT®	Ceramic glaze minimizes waste from sticking to porous ceramic surfaces.
Completely Skirted Design	A sleek and understated look that's easier to clean.
WASHLET+ Concealed Connection	Concealed supply connection for seamless installation.
One-piece Construction	Elongated front bowl toilet and WASHLET+ S7A set.
Universal Height	Universal Height, 17 3/16" (437mm) seat height.
Flush Control	Chrome plated trip lever.
Auto Flush	Included with the auto-flush model (THU855 kit); available as an upgrade on the standard model.
WASHLET S7A Features
Front and Rear Cleansing	Gentle aerated, warm water, front and rear spray with oscillating and pulsating features.
Adjustable Cleansing	Adjustable spray position, water temperature, and water pressure.
Instantaneous Water Heating	Instantaneous water heater for continuous warm water and energy savings.
Warm Air Dryer	Five variable temperature settings, 95ºF–140ºF.
Heated Seat	Heated seat with temperature control, 82ºF–97ºF.
Automatic Deodorizer	Automatic air deodorizer.
EWATER+®	Auto-cleans the wand and bowl after every use.
PREMIST®	Automatically mists the bowl before each use.
Self-Cleaning Wand	Cleans itself inside and out before and after every use.
CLEAN RESIN®	Keeps wand and seat cleaner, more hygienic, and effortless to maintain.
Seamless Seat	Seamless seat design eliminates the gap where dirt collects.
Night Light	Illuminates the side and the inside of the bowl.
Controls	Multifunction pearl white block-style remote control.
User Memory	Personalized memory settings for up to 4 users.
Touchless Auto Open/Close Lid	Touchless auto open/close lid — S7A only.
Auto Energy Saver	Adjusts the seat temperature when inactive.

TOTO Aquia IV WASHLET+ S7A One-piece Toilet Specifications

Specification	Details
Combination Model	MW6464736CEMFGNA#01
Aquia Variant	Aquia IV
Toilet Construction	One-piece
Bowl Model	CST646CEMFGNAT40
Tank Model	N/A — one-piece toilet
WASHLET Model	SW4736AT40 (WASHLET+ S7A)
Bowl Shape	Elongated, completely skirted
Color	#01 Cotton
Height Classification	Universal Height
Seat Height	17 3/16" (437mm)
Rough-In	12"
Optional Rough-In	10" (TSU48.10) and 14" (TSU48.14)
Water Use	1.28 GPF / 0.9 GPF (4.8 LPF / 3.4 LPF)
Flush System	DYNAMAX TORNADO FLUSH®
Flush Control	Chrome plated trip lever
Auto Flush	Included with the auto-flush model (THU855 kit); available as an upgrade on the standard model
Electrical	GFCI outlet of 120V, 15A
ADA Compliance	ADA compliant for residential use with autoflush feature model
Warranty	One Year Limited Warranty (combination)