TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet

by TOTO

SKU MW4463346CEMGN#01

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$1,739.00

$1,241.00

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TOTO Aquia IV Washlet+ S2 Two-Piece

DYNAMAX Tornado Flush: 360-degree cleaning power reaches every part of the bowl with dual flush options (1.28 GPF/0.9 GPF)
WASHLET+ S2 Bidet Seat Included: Integrated bidet seat with front and rear warm water cleansing and adjustable temperature and pressure
CEFIONTECT Glaze: Smooth ceramic glaze keeps the bowl cleaner and prevents waste from sticking
EWATER+ Self-Cleaning: Electrolyzed water mists the wand before and after each use
Heated Seat: Warm seat with adjustable temperature control for added comfort
Warm Air Dryer: Built-in dryer for a hands-free finish
Skirted Design: Smooth concealed trapway for a modern look that's easy to keep clean

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - Washlet+ toilet technology display with TOTO branding on a dark background

Auto-Cleaning Wand and Bowl

The EWATER+ system automatically cleans the wand and bowl after each use, keeping hygiene high with minimal effort. Ideal for those browsing Toto Washlets or Toto Bidets.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - Washlet toilet seat with features highlighted on a blue background

PREMIST and Easy-Clean Glaze

PREMIST sprays the bowl before each use, and the CEFIONTECT glaze prevents waste buildup and keeps surfaces smooth. Commonly found in Toto Two Piece Toilets.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - White toilet with blue arrows indicating cleaning power on a dark background, featuring Dynamax Tornado Flush

Efficient Tornado Flush

The DYNAMAX TORNADO FLUSH delivers a powerful, water-saving clean for the entire bowl. A standard feature in Toto Dual Flush Toilets and other Toto Aquia IV models.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - Washlet toilet with night light feature on a black background

Comfort and Convenience

Universal height, elongated bowl, heated seat, warm water cleansing, and a soft-close seat make daily use comfortable and convenient.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - 1.28 GPF/0.9 GPF

The TOTO Aquia IV WASHLET+ S2 is a two-piece toilet system built for high efficiency and hygiene. It features an ultra-efficient DYNAMAX TORNADO FLUSH dual flush system and a skirted design with CEFIONTECT glaze for a modern look that's easy to keep clean.

Perfect for a quiet, modern bathroom remodel focused on water efficiency and advanced personal cleanliness.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet - 1.28 GPF/0.9 GPF Specifications and Features

High-tech Electronic Bidet Seat and Toilet Combination
Tilet 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 Flush
Elongated front bowl and tank set
SoftClose Seat
Dual Flush
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 Arm Control Panel
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

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Compatibility

The TOTO Aquia IV WASHLET+ S2 is a two-piece elongated toilet with an integrated smart bidet seat. Confirm these four things before ordering:

Rough-in measurement: 12 inches 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).

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 bowl. Place a new wax ring on the flange, lower the bowl onto it, and hand-tighten the bolts evenly.
Attach the tank. Bolt the tank to the bowl using the rubber gasket and bolts provided.
Connect and test. Reconnect the supply line, restore water, and plug the seat into the GFCI outlet.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Downloads

TOTO Aquia IV WASHLET+ S2 Installation & Owner's Manual

TOTO Aquia IV WASHLET+ S2 Spec Sheet

Frequently Asked Questions

Is the TOTO Aquia IV a good toilet?

Yes, the TOTO Aquia IV is a good toilet because it flushes well, saves water, and has built-in bidet features that keep it clean and comfortable.

What's the difference between TOTO WASHLET and washlet+?

The difference is that Washlet+ comes already matched to a specific toilet for a seamless, tidy look. A regular WASHLET can fit many toilets, but cords and hoses may show.

What are the TOTO Aquia IV features?

The TOTO Aquia IV features a powerful tornado flush, dual flush options, self-cleaning wand (EWATER+), PREMIST spray, quiet flush, skirted design, and a soft-close seat.

What is the TOTO Aquia IV made of?

The TOTO Aquia IV is made of ceramic with a smooth CEFIONTECT glaze that keeps the bowl clean and prevents waste from sticking.

Which is better, 1.28 GPF or 1.6 GPF?

1.28 GPF is better for saving water while still giving a strong flush. 1.6 GPF uses more water but feels a bit stronger. Most people choose 1.28 GPF to save water.