The TOTO Aquia® IV dual flush 1.28 and 0.9 GPF auto flush Compatible toilet tank is designed for use with the Aquia® IV dual flush bowl. The Aquia® IV tank includes a tank-to-bowl gasket, tank-to-bowl hardware, and toilet bolt caps. The Aquia® IV tank features Toto's dual-max dual flush option, allowing you to proactively conserve water usage. The chrome center-mounted push button that sits atop the tank allows you to choose between a 0.9 GPF rinse or 1.28 GPF for tougher jobs. This version of the Aquia® tank offers TOTO T40 Washlet®+ and auto flush compatibility for when you are ready to upgrade to a hands-free flush system with an electronic bidet seat. The Aquia® IV tank meets the standards for EPA WaterSense, and California's CEC and CALGreen requirements. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, and water supply lines.

The Toto Aquia toilet tank is excellent and lives up to Toto’s reputation for quality. The design is sleek and modern, pairing perfectly with the Aquia bowl for a clean, streamlined look. The tank feels solid and well made, and the flush performance is powerful and efficient while using minimal water. Installation was straightforward, and everything fits together perfectly. Reliable, quiet, and stylish—this is a top-quality product that I would highly recommend.. Austin. Thu Jan 22 2026

The Toto Aquia IV Elongated Universal Height Skirted Toilet Bowl with Cefiontect, Washlet+ Ready is designed for use with the Aquia IV tank. The skirted design conceals the trap way, which enhances the elegant look of the toilet and adds an additional level of sophistication. Skirted design toilets also minimize the need to reach behind the bowl to clean the nooks and crannies of the exterior trap way. When paired with its tank, the Aquia IV features TOTO's Dynamax Tornado Flush®, utilizing a 360-degree cleaning power to reach every part of the bowl. This version of the Aquia IV includes CEFIONTECT®, a layer of ceramic glaze that minimizes waste from sticking to ceramic surfaces. This feature, coupled with Dynamax Tornado Flush®, helps to reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. The enhanced design of the Aquia IV inner bowl reduces water flow resistance and turbulence, resulting in a quieter flush. The Aquia IV bowl offers TOTO T40 Washlet®+ compatibility for when you are ready to upgrade. The Washlet®+ toilet features a channel on the bowl surface to help conceal your Washlet®+ supply line and power cord for seamless integration. The universal height design allows for a more comfortable seat position across a wide range of users. When paired with its tank, the Aquia IV meets the standards for EPA WaterSense, and California CEC and CALGreen requirements. The Aquia IV comes ready for installation 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 and use must be purchased separately: tank, wax ring, toilet mounting bolts, water supply lines, and Washlet®+ or seat designed for Washlet®+.

I love this toilet. I had to order the bowl from Wayfair bc it arrived in broken pieces bc the first vendor didn’t package it properly. This was packaged very well and arrived in perfect condition. Highly recommend Wayfair and this product. Anonymous. Fort Lauderdale, FL. Wed Aug 27 2025

The Toto Aquia IV Arc Dual Flush 1.28 and 0.9 GPF Toilet Tank Only with Washlet+ Auto Flush Compatibility is designed for use with the Aquia IV dual flush bowl. The curved shape offers a contemporary and sleek design to complete your bathroom. Features Toto's dual-max dual flush option, allowing you to proactively conserve water usage, allowing you to choose between a 0.9 GPF rinse or 1.28 GPF for tougher jobs. This version of the Aquia tank offers TOTO T40 Washlet®+ and auto flush compatibility for when you are ready to upgrade to a hands-free flush system with an electronic bidet seat. The Aquia IV Cube tank meets the standards for EPA WaterSense, and California CEC and CALGreen requirements. The Aquia IV arc includes a tank-to-bowl gasket, tank-to-bowl hardware, and toilet bolt caps. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, and water supply lines.

We prefer the lever type dual flush vs the spit button on the top, so this was perfect.. Angela. Atlanta, GA. Sun Dec 24 2023

The Aquia IV Cube Dual Flush 1.28 and 0.9 GPF Toilet Tank Only with Cotton White is designed for use with the Aquia IV dual flush bowl. The smooth rectangle shape offers a modern and sleek design to complete your bathroom. Features Toto's dual-max dual flush option, allowing you to proactively conserve water usage, allowing you to choose between a 0.9 GPF rinse or 1.28 GPF for tougher jobs. This version of the Aquia tank offers TOTO T40 Washlet®+ and auto flush compatibility for when you are ready to upgrade to a hands-free flush system with an electronic bidet seat. The Aquia IV cube tank meets the standards for EPA WaterSense, and California CEC and CALGreen requirements. The Aquia IV cube includes a tank-to-bowl gasket, tank-to-bowl hardware, and toilet bolt caps. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, water supply lines, and optional Washlet®+ with an auto flush kit purchased separately. The Aquia IV tank should be used with Aquia IV bowls.

Anonymous. Thu Jul 24 2025

This ap wall-hung elongated toilet bowl with skirted design and Cefiontect provides a sleek and modern addition to your bathroom. Skirted design toilets eliminate the need to reach behind the bowl to clean the nooks and crannies of the exterior Trapway and the wall hung design takes up less floor space, giving your bathroom a more open feel. The ap bowl is coated with a ceramic glaze that creates a slick surface to help prevent waste from sticking and keep the bowl cleaner for longer. When this bowl is paired with a duo fit in-wall tank system, you can select a mounting height to establish a comfortable bowl height for a wide array of individuals. The duo fit-in-wall tank utilizes a Dynamax tornado dual flushing system, allowing you to proactively conserve water with a full or light flush option. Choose between a 0.9 GPF rinse or 1.28 GPF for more demanding jobs. The in-wall unit can support up to 880lbs when appropriately installed. The ap wall-hung bowl has been designed for best results when used with the sold-separately duo fit in-wall tank system.

Awesome toilet. Requires special work to install but totally doable. Worth the wall hung easy to clean style.. Cat. Wed Apr 29 2026