Estimated Arrival: Between Dec 10 and Dec 13. *ETA to USA Only
Shipping: Free Shipping to continental USA over $50.
Availability: In stock. Usually ships in 24 hrs.
The TOTO AQUIA®IV WASHLET+® series provides TOTO's most advanced S7 WASHLET® bidet toilet seat paired with its beautiful AQUIA®IV toilet. Unlike most bidet toilet seat and toilet combinations, the AQUIA®IV WASHLET+® series is designed so that all hoses and connections are concealed. No need to stress about whether the WASHLET will fit your toilet. You get a perfect WASHLET fit and a beautiful modern skirted toilet that offers clean lines, minimal flourishes and geometric precision. This style is elegant and smooth, concealing the trapway, and features a base that is easy to clean and maintain.
What sets TOTO apart from all other brands is their Ewater+® technology. By electrolysing the water and using the Premist® feature, which sprays the bowl with water before each use, the AQUIA®IV WASHLET+ S7 leaves no build-up and the toilet bowl stays much cleaner. This eliminates the need for harsh cleaning chemicals, that are harmful to us and the environment when they are introduced into our water systems. TOTO's Ewater+® is completely safe yet powerful. TOTO's Ewater+® and Premist® are truly ground-breaking when it comes to bidet advancements.
The TOTO® WASHLET® S7 uses an on-demand tankless water heating system so that there is always plenty of warm water. The TOTO® WASHLET® S7 has a dryer that is very effective compared to most others on the market. The TOTO WASHLET® S7 is operated by a luxury style illuminated touch button remote with 4-user memory storage to save preferred settings. The WASHLET® features 5 spray settings, auto open and close lid, heated seat, a nightlight, and instantaneous water heating. The newly redesigned lid style resides flush with the toilet bowl, providing a streamlined look and giving the impression of an integrated system. This minimalistic display provides a more subdued appearance to your WASHLET®.
TOTO’s extraordinarily smooth CEFIONTECT® glaze prevents particulates from adhering to porous, ceramic surfaces. The ion-barrier in CEFIONTECT keeps everything cleaner, longer. Less cleaning means fewer chemicals in the environment and less water and energy used for cleaning.
The DYNAMAX TORNADO FLUSH® features two powerful nozzles that create a centrifugal, cyclonic rinsing action which reduces waste buildup, reaches every spot on the toilet bowl and keeps the bowl cleaner. DYNAMAX TORNADO FLUSH® makes it possible to evacuate and clean with a single flush despite using a lower volume of water. This high-efficiency system is more effective in one flush than most toilets are with multiple flushes. The modern hole-free rim design means that it performs more consistently and is easy to clean.
This model features TOTO's NEW AQUIA®IV bowl shape. This new bowl is larger and provides a better flush than previous AQUIA IV models. The new Auto Flush kit provides a hands-free automatic flush after every use. No need to touch buttons or handles, and never worry about someone forgetting to flush. The chrome center-mounted push button that sits atop the tank allows you to proactively conserve water by choosing between a 0.9 GPF rinse or 1.28 GPF for tougher jobs.
The Aquia IV comes ready for install into a 12" rough-in, but may be adapted for a 10" or 14" rough-in with the purchase of a separately sold adapter. Additional items needed for installation must be purchased separately: wax ring, toilet mounting bolts, and toilet water supply lines.
WASHLET+® bidet seat and two piece toilet, seamlessly designed
Conceals the WASHLET water supply and power cord for seamless integration
Auto Flush: Hands free automatic flush system
EWATER+® mists the wand and toilet bowl, reducing the need for harsh cleaning chemicals.
PREMIST® wets the surface of the toilet bowl, aiding in the removal of waste and resulting in a better clean.
Front and rear warm water washing with five adjustable temperature and pressure controls
Oscillating or pulsing stream option
Tankless, instantaneous water heating means never running out of warm water
Luxury style illuminated touch button remote with 4-user memory storage to save preferred settings
DYNAMAX dual flush technology: powerfully and quietly reaches every part of the bowl with 1.28 or 0.9 gallons per flush
CEFIONTECT® ceramic glaze
Two-piece, skirted design elongated bowl
WaterSense®, CALGreen, and CEC compliant
4 User memory
Manufacturer One Year Limited Warranty
California residents: PROP 65 warning
May be adapted for 10" or 14" rough-in with optional TOTO parts: TSU48.10 or TSU48.14 (sold separately)
Included parts: WASHLET®, installation hardware, Auto Flush kit , tank to bowl gasket, tank to bowl hardware, and toilet bolt caps
Purchased separately: wax ring, toilet mounting bolts, and water supply lines.
Details and Dimensions
|Toilet Configuration||Two Piece|
|Toilet Bowl Type||Elongated bowl|
|Toilet Installation Type||Floor Mounted|
|Gallons Per Flush||0.9 / 1.28|
|Rough In Dimension||12"|
This bidet seat qualifies for FREE to the continental US only. This product is not available to ship to Canada, as doing so voids the warranty.
Ships in 1-3 business days. Allow 3-10 days for delivery.
Installation & Manual
View the TOTO AQUIA® IV - Washlet®+ S7 Two-Piece Toilet Spec Sheet here.
View the Auto-Flush installation video here.
View the TOTO Aquia IV WASHLET + S7 Installation booklet and manual here
The TOTO AQUIA® IV - WASHLET®+ S7 Two-Piece Toilet requires electricity.
For electric bidet toilets models where there is not an outlet nearby, a licensed electrician should be used to install one.
We recommend a dedicated 20amp GFI circuit be used, and local codes followed. Periodic maintenance and inspection of the unit is required.
Hoses and all connections should be checked frequently.
This unit must be protected from freezing, and if not used for extended periods, it should be disconnected. Please contact us with any specific questions you may have.
*Please read the installation guide and manual.
Warranty & Returns
Returns are easy! If it has been 30 days since your order was placed, just call us for an RA# and the address to send the return.
Please read our returns policy.
*Please note that there is a 10% restock fee on all Toto returns, and that due to the hygienic nature of the products only unopened, unused and re-sellable items may be returned.
The TOTO AQUIA® IV - WASHLET®+ S7 Two-Piece Toilet - 1.28 GPF & 0.9 GPF Auto-Flush qualifies for our 100% Price Guarantee. If you find another online store that offers a lower price than us please let us know and we will match their price. We want you to feel confident that you are getting the absolute best price for the product you are ordering.
Our 100% Price Guarantee has some limitations:
- You must purchase the item from our website before requesting your 100% Price Match Guarantee. You have 5 days to make the request.
- Promotions such as coupons, rebates and buy-one-get-one-free offers are not eligible
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