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TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height

by TOTO
SKU MW4463346CEMFGN#01
UPC/GTIN: 739268478442
$1,260.00
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Key Specs


  • Universal height for comfort
  • Front and rear warm water cleansing
  • Heated seat with adjustable temperature
  • Warm air dryer
  • Soft-close seat

Key Features


  • Convenient arm control panel
  • EWATER+ auto-cleans wand
  • PREMIST sprays bowl before use
  • Quick-release feature for easy cleaning

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

The TOTO Aquia IV WASHLET+ S2 is a highly efficient Universal Height two-piece toilet system designed for comfortable use and total hygiene. The integrated WASHLET S2 provides comfortable amenities like a heated seat, warm water spray, and a warm air dryer, controlled by a convenient arm panel.

Perfect for a comfortable, water-saving, and modern bathroom focused on accessible design and advanced 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
  • 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
  • SoftClose Seat
  • 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
  • Adjustable temperature and pressure control
  • Heated seat
  • Warm Air Dryer
  • Quick-release feature
  • Chrome push-button included
TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height - top view

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 looking at Toto Washlets or Toto Bidets.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height - key features

PREMIST and Easy-Clean Glaze

PREMIST sprays the bowl before use, while the CEFIONTECT glaze prevents buildup and keeps surfaces smooth. Found in many Toto Two Piece Toilets.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height - cefiontect technology

Efficient Tornado Flush

The DYNAMAX TORNADO FLUSH uses 360° cleaning power to reach the whole bowl while saving water. Standard in Toto Dual Flush Toilets and other Toto Aquia IV models.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height - tornado flush

Comfort and Convenience

Universal height, heated seat, adjustable warm water, warm air dryer, soft-close seat, and convenient arm panel make daily use comfortable. Quick-release and remote options add extra ease for those exploring Toto Washlet+ Toilet Sets.

TOTO Aquia IV WASHLET+ S2 Two-Piece Toilet Universal Height - night light

Frequently Asked Questions

  • The TOTO Aquia IV has a universal height, so it’s comfortable for most people.

  • Yes! The TOTO Aquia IV is a good toilet as it flushes well, saves water, and keeps itself clean with built-in bidet features, making it easy and comfortable to use.

  • The TOTO Aquia IV features a powerful tornado flush, dual flush options, EWATER+ wand, PREMIST spray, skirted bowl with smooth glaze, heated seat, warm water and air dryer, and a soft-close seat.

  • The TOTO S2 WASHLET features a heated seat, front and back warm water spray, adjustable temperature and pressure, a self-cleaning wand, PREMIST spray, warm air dryer, and a simple arm control panel.

  • The difference between TOTO S2 and S5 is that the S2 has all the main bidet features like EWATER+, PREMIST, heated seat, and warm air dryer, while the S5 adds a few extra options like more remote controls.

Shipping Policy

We offer free standard shipping on all orders to the contiguous United States. Orders shipped to Alaska, Hawaii, Puerto Rico, or other U.S. territories are subject to additional shipping charges. Please contact us before placing your order for a custom shipping quote: info@bidetsusa.com or 877-420-3443.

Product Sourcing & Fulfillment

Bidets USA is an authorized retailer for every brand we carry. Products are sourced directly from our manufacturer partners and may ship from manufacturer or fulfillment warehouses. All products are brand new and include full manufacturer warranties. Orders with multiple items may ship separately with different tracking numbers.

Order Processing

Most orders are processed within 1–2 business days. After placing your order, you'll receive a confirmation email. You'll receive tracking information within 24 hours of shipment. If you don't receive tracking within 2 business days, please contact us at info@bidetsusa.com.

If you need to update your shipping address, contact us before shipment at info@bidetsusa.com or 877-420-3443.

Shipping Methods & Transit Times

Method Items Cost Transit Time
Standard (UPS/FedEx/USPS) Small packages Free 3–6 business days
LTL Freight Large items Free 3–6 business days

Freight (LTL) Delivery

Large items ship via LTL freight and are delivered curbside only. Freight carriers do not bring items inside your home, condominium, or apartment. Please arrange to have the item brought indoors upon delivery.

The freight carrier will contact you by phone or email to schedule your delivery appointment. Prompt response is required. If the carrier cannot reach you within 2 business days, daily storage fees may begin to accrue. If contact cannot be made within 7 days, the shipment will be rerouted back to our warehouse and your refund will be reduced by rerouting fees, accrued storage fees, and any additional carrier charges.

Tracking Your Order

Once your order ships, you'll receive a confirmation email with your tracking number. Orders with multiple items may ship separately with multiple tracking numbers. If you don't receive a tracking email, check your spam folder or contact us at info@bidetsusa.com.

Cancellations

Orders may be canceled before shipment at no charge. If your order has already shipped, please refer to our Refund & Return Policy.

Damaged Items

Please inspect your order carefully before signing for delivery.

  • Freight (LTL) shipments: Report any damage within 48 hours of delivery.
  • Small parcel shipments: Report any damage within 15 days of delivery.

If you notice damage before signing, refuse the delivery and contact us immediately. If damage is discovered after delivery and reported within the applicable window above, we will arrange a replacement at no cost to you. Please email clear photos of the damage to info@bidetsusa.com.

Contact Us

Bidets USA
9700 Del Rio Dr, Lincoln, NE 68516
info@bidetsusa.com
877-420-3443

Return Policy

We understand that sometimes things don't work out as planned. That's why Bidets USA offers a straightforward 30-day return policy from the date of delivery for orders that qualify for a return.

To qualify for a return, items must be new, unopened, unused, and uninstalled. Due to the hygienic nature of bidet products, we cannot accept returns on any bidet seats, attachments, or integrated toilets once the packaging has been opened, installed, or connected to water.

All returns must include original packaging, parts, accessories, manuals, and warranty cards to be accepted.

Return Window: 30 days from delivery date for eligible returns

Getting Started with a Return

Before shipping anything back, you must contact our team to obtain a Return Merchandise Authorization (RMA) number.

Contact us at:

  • Email: info@bidetsusa.com
  • Phone: (877) 420-3443

We'll verify your return qualifies and provide you with:

  • Your unique RMA number
  • Return shipping address
  • Detailed return instructions

Inspect Your Delivery

Please examine your order immediately upon arrival and before signing for delivery.

If you notice visible damage:

  • Take photographs of the damage and packaging
  • Refuse the delivery if any damage
  • Contact us right away at info@bidetsusa.com

Cancellations

Order not yet shipped:

  • Contact us immediately to cancel and get full refund.

Return Shipping Costs

  • We provide a fully paid return shipping label at no cost to you

How you'll receive your label:

  • Email: Label sent to the email address you provide
  • No email: We'll mail the physical label to your shipping address

Restocking Fees

  • 15% restocking fee but there is no restocking fee for returns due to our error

Refunds

Refunds are issued only to the original payment method used for your purchase.

Exchanges

Need a different model or size? We're happy to help.

To initiate an exchange:

  1. Contact us at info@bidetsusa.com or call (877) 420-3443
  2. Obtain an RMA number for your exchange
  3. Items must be unopened, unused, and in original packaging with all components

Damage and Defects After Installation

All products carry manufacturer warranties.

If you discover a defect after installation:

  • Contact us at info@bidetsusa.com with your order details
  • Provide a description and photos/video of the issue
  • We'll help you troubleshoot or connect you with the manufacturer for warranty service

Contact Information

For all return and refund inquiries:

Bidets USA
Email: info@bidetsusa.com
Phone: (877) 420-3443
Address: 9700 Del Rio Dr, Lincoln, NE 68516


Return and Refund Policy Updated: April 2026

Bidets USA BBB Business Review