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TOTO Nexus® 1G® 1.0 GPF Toilet Tank Only with WASHLET® plus Auto Flush Compatibility, Bone

SKU: ST442UA#03

$400.00

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Product Details

TOTO ST442UA#03

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTO’s vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTO’s industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTO’s TORNADO FLUSH, a hole-free rim design with dual-nozzles that creates a centrifugal washing action that assists in rinsing the bowl more efficiently. This highly efficient flushing system helps reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. This version of the Nexus 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 Nexus tank is ADA compliant and meets the standards for EPA WaterSense, and California’s CEC and CALGreen requirements. The TOTO Nexus is made with durable vitreous china (ceramic) material and has a left-hand chrome trip lever. Additional items needed for installation and use must be purchased separately: Nexus Elongated Universal Height Toilet Bowl, compatible seat, wax ring, toilet mounting bolts, water supply lines, and optional WASHLET with Auto Flush kit.


  • Finish Bone
  • Collection Nexus
  • UPC 739268339132
  • Online Product ID 5526590
  • Length 6.5625"
  • Width 18.5"
  • Height 12.5625"
  • Made In Vietnam
  • Oversized yes
  • ADA yes
  • Material Vitreous China
  • Warranty Manufacturer One Year Limited
  • Prop65 Warning This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects, and other reproductive harm. For more information go to www.P65Warnings.ca.gov.
  • Shipping L:17.25"x W:7.875"x H:17.5" 25 lbs.

Additional information

  • Conservation made easy with only 1.0 gallons used per flush
  • Ultra Efficient TORNADO FLUSH system with a powerful centrifugal rinse
  • TOTO WASHLET+ upgrade compatibility: designed to work exclusively with a T40 WASHLET+ bidet seat for seamless integration
  • Auto Flush compatible
  • Left-hand chrome trip lever
  • Long-lasting, durable material
  • ADA, WaterSense®, CALGreen, and CEC compliant
  • Included: 1.0 GPF Toilet Tank and Auto Flush kit
  • Purchased separately: Nexus Elongated Universal Height toilet bowl, compatible toilet seat SS124, SS234 or T40 WASHLET+, wax ring, toilet mounting bolts, and water supply lines

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