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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 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.
TOTO ST446EMNA#11 Aquia IV Dual Flush Toilet Tank Only with Washlet+ Auto Flush Compatibility, Colonial White
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Frequently Asked Questions
• What if my order arrives damaged?
While we take great care in the packaging and handling of orders, we ask that customers inspect all shipments within 48 hours of delivery, and in the rare event that your order arrives damaged, please send us an email with a photo showing the damages (so we can file a claim with the carrier), and let us know whether you prefer a free replacement or a refund.
• What if I need to return something?
We accept returns within 30 days of delivery. Customers are responsible for return shipping unless we sent the wrong item, the product is defective, or it was damaged during transit. All returns are subject to a 15% restocking fee unless we sent the wrong item, the product is defective, or it was damaged during transit. The restocking fee is what we get charged by the manufacturer – it is not to discourage returns. To return an item, email us, and we'll guide you through the process.
• Why do you ask for phone numbers during checkout?
Some shipping carriers, especially those handling freight, require a phone number to coordinate your delivery. We respect your privacy and guarantee that any information you provide will never be shared with third parties, except for shipping purposes.
TOTO ST446EMNA#11 Aquia Toilet Tank Features
- Aquia IV Toilet tank for use with Aquia IV Toilet bowl
- Dual flush system allows you to proactively conserve water - Select 1.28 GPF or 0.9 GPF
- Lid-top chrome dual flush push button
- Auto Flush compatible
- WaterSense, CALGreen, and CEC compliant
- Included parts: tank to bowl gasket, tank to bowl hardware, and Toilet bolt caps
- Purchased separately: Aquia IV bowl, wax ring, Toilet mounting bolts, water supply lines, and optional Washlet+ with Auto Flush kit.
TOTO ST446EMNA#11 Aquia Toilet Tank Specifications
- Color/Finish: Colonial White
- Product Category: Tanks
- Material: Vitreous China
- Warranty: Manufacturer One Year Limited
- Length (in.): 6.375
- Width (in.): 15.5625
- Height (in.): 13.125
- Weight (lb.): 29
- WaterSense Compliant: Yes
- Battery Type: Does Not Contain a Battery
- Water Consumption (GPF): 0.9 / 1.28
- Flush Lever Location: Center