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TOTO Aquia IV Arc Washlet+ S7A Two-Piece

by TOTO
SKU MW4484736CEMFGNA#01
UPC/GTIN: 739268446038
$2,306.00

Key Specs


  • Electronic bidet seat and toilet combo
  • 360° DYNAMAX TORNADO FLUSH
  • Dual flush 1.28 / 0.9 GPF
  • Universal height
  • Elongated bowl

Key Features


  • EWATER+ auto-cleans the wand and bowl after each use
  • PREMIST sprays the bowl before use
  • Smooth, easy-clean ceramic surface
  • Hidden connections for a seamless look

TOTO Aquia IV Arc Washlet+ S7A Two-Piece

The TOTO Aquia IV Arc Washlet+ S7A is a sleek toilet with a built-in bidet that cleans itself before and after every use. Its powerful 360° flush cleans the whole bowl while saving water, and the smooth ceramic keeps it easy to maintain. The heated seat, auto lid, night light, and simple remote make it comfortable and easy to use.

Perfect for anyone who wants a modern, hassle-free bidet.

TOTO Aquia IV Arc Washlet+ S7A Specifications and Features

  • Toilet with built-in bidet seat
  • Hidden water and power connections
  • 360° DYNAMAX TORNADO FLUSH
  • Water-saving dual flush
  • Smooth, easy-clean ceramic
  • Skirted design for easy cleaning
  • Comfortable universal height
  • Chrome flush lever
  • Fits 12" rough-in (also 10" & 14")
  • Elongated bowl with tank
  • EWATER+ cleans wand and bowl automatically
  • PREMIST sprays bowl before use
  • Easy-to-use remote control
  • Automatic open/close lid
  • Night light
  • Optional auto flush
TOTO Aquia IV Arc Washlet+ S7A Two-Piece - White toilet with a closed lid on a white background

Auto-Cleaning Wand and Bowl

The EWATER+ system automatically cleans the wand and bowl after every use, helping maintain hygiene with minimal effort.

TOTO Aquia IV Arc Washlet+ S7A Two-Piece - White toilet with closed lid on a white background

PREMIST and Easy-Clean Surface

The PREMIST sprays the bowl before use, while the smooth ceramic surface helps prevent buildup and keeps cleaning simple. These features are commonly found in TOTO Two Piece Toilets.

TOTO Aquia IV Arc Washlet+ S7A Two-Piece - White toilet with a closed lid on a white background

360° Tornado Flush

The 360° DYNAMAX TORNADO FLUSH cleans the entire bowl efficiently while using less water. It’s a key feature in many TOTO Dual Flush Toilets.

TOTO Aquia IV Arc Washlet+ S7A Two-Piece - control panel

Comfort and Convenience

The universal height, elongated bowl, auto open and close lid, night light, and remote control make daily use more comfortable and convenient, with an optional auto flush upgrade available.

TOTO Aquia IV Arc Washlet+ S7A Two-Piece - White toilet with dimensions labeled on a white background

Frequently Asked Questions

  • The TOTO Aquia IV is a good toilet because it combines efficient flushing, water-saving features, and a sleek design that’s easy to maintain.

  • The TOTO Aquia IV features a dual flush system, powerful tornado flush, easy-clean surface, and compatibility with WASHLET bidet seats for added comfort.

  • The TOTO Aquia IV is made of high-quality ceramic with a smooth glaze that helps prevent waste from sticking and keeps the bowl easy to clean.

  • The TOTO Aquia IV flushes using a 360° DYNAMAX TORNADO FLUSH system that cleans the entire bowl efficiently while using less water.

  • The difference between the TOTO S7 and S7A is that the S7A includes an automatic open and close lid and added convenience features, while the S7 focuses on core bidet functions.

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

Orders placed before 5:00 PM CST are typically processed the same day. 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 Drive, 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 possible so the carrier returns it directly
  • Contact us right away at info@bidetsusa.com

Timeframes for reporting damage:

  • LTL Freight shipments: Must be reported within 48 hours of delivery
  • UPS/FedEx Ground shipments: Must be reported within 15 days of delivery

These are carrier requirements for filing damage claims. We cannot assist with damage claims reported after these windows, especially if the product has been installed or altered.

Cancellations

Order not yet shipped:

  • Contact us immediately to cancel and get full refund.

Order already shipped via UPS/FedEx Ground:

  • We will email you a prepaid return label once the order arrives
  • Standard return process applies upon receipt

Order already shipped via LTL Freight:

  • Contact us for return authorization and instructions

Return Shipping Costs

Our error (wrong item shipped, defective product, shipping damage):

  • We provide a fully paid return shipping label at no cost to you
  • We will send the correct replacement or issue a full refund
  • No charges to you

Buyer-initiated return (changed mind, ordered incorrect item, compatibility issues):

  • We provide a fully paid return shipping label at no cost to you
  • Restocking fee of 15% will be deducted from refund
  • We cannot accept returns on bidet seats if box has been opened

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

  • No restocking fee for returns due to our error (defective, damaged, incorrect items)
  • 15% restocking fee for buyer-initiated returns (changed mind, wrong item ordered)
  • Restocking fees may apply to returns with missing parts, damaged packaging, or items not in resalable condition
  • Any applicable restocking fee will be deducted from your refund amount
  • Specific manufacturers may have additional restocking requirements (noted in product descriptions when applicable)

Refunds

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

Timeline:

  • Refunds processed within 15 days of receiving your returned item(s) in resalable condition
  • For pre-shipment cancellations, refunds processed within 3 days of notification

Refund amounts:

  • Our error: Full refund
  • Buyer-initiated: Purchase price minus 15% restocking fee

Items must be received in resalable condition to qualify for a refund.

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
  4. Exchange must be requested within 30 days of delivery
  5. 15% Restocking fee applies. 

Exchange shipping:

  • Exchange shipping will be free but a 15% restocking fee applies to the returned item.

Refunds processed within 15 days of receiving your returned item(s) in resalable condition.

Damage and Defects After Installation

Once a product has been installed, we can no longer accept it as a return. However, 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 Drive, Lincoln, NE 68516


Return and Refund Policy Updated: April 2026

Bidets USA BBB Business Review