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TOTO  |  SKU: ST442UA#01

TOTO - Nexus 1G 1.0 GPF Toilet Tank Only with WASHLET plus Auto Flush Compatibility, Cotton White - Cotton
$416.00
Color/Finish: Cotton
Cotton
Bone
Colonial White
Sedona Beige
Ebony

Most products available to ship within 24-48 hours.

However, some larger items or specialty parts could take longer to ship.

Description

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTOs vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTOs industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTOs 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 Californias 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.
  • 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

Resources

Specifications

SKU: ST442UA#01

Model: Tot-st442ua

UPC: 739268339125

Collection: Nexus

Finish: Cotton

Finish Group: White

Width: 18.5 in

Height: 12.5625 in

Ship Length: 17.25 in

Ship Width: 7.875 in

Ship Height: 17.5 in

Ship Weight: 25 lbs

Length: 6.5625 in

Country: Vietnam

Material: Vitreous China

Prop 65: 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.

Oversized: Yes

ADA: Yes

Warranty

Manufacturer One Year Limited

Description

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTOs vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTOs industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTOs 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 Californias 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.
  • 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

Specifications

SKU: ST442UA#03

Model: Tot-st442ua

UPC: 739268339132

Collection: Nexus

Finish: Bone

Finish Group: Solid Colors

Width: 18.5 in

Height: 12.5625 in

Ship Length: 17.25 in

Ship Width: 7.875 in

Ship Height: 17.5 in

Ship Weight: 25 lbs

Length: 6.5625 in

Country: Vietnam

Material: Vitreous China

Prop 65: 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.

Oversized: Yes

ADA: Yes

Warranty

Manufacturer One Year Limited

Description

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTOs vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTOs industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTOs 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 Californias 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.
  • 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

Specifications

SKU: ST442UA#11

Model: Tot-st442ua

UPC: 739268339149

Collection: Nexus

Finish: Colonial White

Finish Group: White

Width: 18.5 in

Height: 12.5625 in

Ship Length: 17.25 in

Ship Width: 7.875 in

Ship Height: 17.5 in

Ship Weight: 25 lbs

Length: 6.5625 in

Country: Vietnam

Material: Vitreous China

Prop 65: 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.

Oversized: Yes

ADA: Yes

Warranty

Manufacturer One Year Limited

Description

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTOs vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTOs industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTOs 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 Californias 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.
  • 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

Specifications

SKU: ST442UA#12

Model: Tot-st442ua

UPC: 739268339156

Collection: Nexus

Finish: Sedona Beige

Finish Group: Solid Colors

Width: 18.5 in

Height: 12.5625 in

Ship Length: 17.25 in

Ship Width: 7.875 in

Ship Height: 17.5 in

Ship Weight: 25 lbs

Length: 6.5625 in

Country: Vietnam

Material: Vitreous China

Prop 65: 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.

Oversized: Yes

ADA: Yes

Warranty

Manufacturer One Year Limited

Description

The TOTO Nexus 1G WASHLET Ready 1.0 GPF Toilet Tank with Auto Flush Compatibility has a sleek and clean high-profile design, upholding TOTOs vision to create a culture of comfortable, healthy living. The TOTO Nexus 1G Tank features TOTOs industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This tank model features TOTOs 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 Californias 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.
  • 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

Specifications

SKU: ST442UA#51

Model: Tot-st442ua

UPC: 739268339163

Collection: Nexus

Finish: Ebony

Finish Group: Black

Width: 18.5 in

Height: 12.5625 in

Ship Length: 17.25 in

Ship Width: 7.875 in

Ship Height: 17.5 in

Ship Weight: 25 lbs

Length: 6.5625 in

Country: Vietnam

Material: Vitreous China

Prop 65: 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.

Oversized: Yes

ADA: Yes

Warranty

Manufacturer One Year Limited

Delivery & Shipping Information

Free Shipping

Free standard shipping on orders over $1499

Typically delivered within 5-7 business days

Delivery Timeline

Order today, estimated delivery:

Jun 19, 2026 - Jun 26, 2026

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30-day return policy

Most unused items can be returned in 90 days

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