One-piece, Elongated, Dual flush, Chair height
$8,399.96
as of 11/03/2026 23:47 PST - DetailsProduct details
$8,399.96as of 11/03/2026 23:47 PST - Details
View on AmazonOther stores (1)
KohlerVisit store
About this product
One Piece Dual Flush Toilets
16 one piece dual flush toilets from DeerValley, Jastoeny, Swiss Madison and more. Most cost $300 to $5,999, and half cost less than $390.
One-piece toilets whose title also says dual flush. The listing says the gallons for each button.
We do not pick by hand: a toilet is here because its listed specs pass the checks.
Top brands: Kohler (4)
One-piece, Elongated, Dual flush
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
$2,499.97
as of 11/03/2026 23:47 PST - DetailsProduct details
$2,499.97as of 11/03/2026 23:47 PST - Details
View on AmazonPros
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
+Smart features include a quiet-close lid
How pros and cons are picked (About: Disclaimer)Other stores (1)
KohlerVisit store
About this product
One-piece, Elongated, Dual flush
+Built-in bidet function
+Dual flush offers two flush volumes
+Smart toilet with electronic features
$3,229.98
as of 11/03/2026 23:47 PST - DetailsProduct details
$3,229.98as of 11/03/2026 23:47 PST - Details
View on AmazonPros
+Built-in bidet function
+Dual flush offers two flush volumes
+Smart toilet with electronic features
+One-piece design with no gap between tank and bowl
How pros and cons are picked (About: Disclaimer)Other stores (1)
KohlerVisit store
About this product
One-piece, Elongated, Dual flush
+Built-in smart bidet functionality
+One-piece design with no gap between tank and bowl
+Dual-flush system offers two flush volumes
$5,999.96
as of 11/03/2026 23:47 PST - DetailsProduct details
$5,999.96as of 11/03/2026 23:47 PST - Details
View on AmazonPros
+Built-in smart bidet functionality
+One-piece design with no gap between tank and bowl
+Dual-flush system offers two flush volumes
+Elongated bowl for a larger seating area
How pros and cons are picked (About: Disclaimer)Other stores (1)
KohlerVisit store
About this product
One-piece, Dual flush, 12 in
$369.98-33%List: $549.99
as of 11/04/2026 03:40 PST - DetailsProduct details
$369.98as of 11/04/2026 03:40 PST - Details
View on AmazonAbout this product
One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
−Tankless design depends on electricity to flush
$399.98-27%List: $549.99
as of 11/04/2026 00:02 PST - DetailsProduct details
$399.98as of 11/04/2026 00:02 PST - Details
View on AmazonPros
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
+Elongated bowl offers more seating room
+Foot sensor allows hands-free flushing
Cons−Tankless design depends on electricity to flush
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Elongated, Dual flush
+Elongated bowl offers more seating length
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
−Requires a power outlet for smart functions
$379.99-24%List: $499.99
as of 11/04/2026 03:40 PST - DetailsProduct details
$379.99as of 11/04/2026 03:40 PST - Details
View on AmazonPros
+Elongated bowl offers more seating length
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
+Smart toilet with automatic lid and foot sensor
Cons−Requires a power outlet for smart functions
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush, 1.2 to 1.4 GPF
+Dual flush option
+Child mode included
+Warm water wash and air dry
−Flush rate of 1.2 to 1.4 GPF
$263.70-5%Was: $277.58
as of 11/04/2026 03:40 PST - DetailsProduct details
$263.70as of 11/04/2026 03:40 PST - Details
View on AmazonPros
+Dual flush option
+Child mode included
+Warm water wash and air dry
Cons−Flush rate of 1.2 to 1.4 GPF
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
+Smart toilet with automatic flush
−Requires a power outlet for smart functions
$299.99
as of 11/04/2026 03:40 PST - DetailsProduct details
$299.99as of 11/04/2026 03:40 PST - Details
View on AmazonPros
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
+Smart toilet with automatic flush
Cons−Requires a power outlet for smart functions
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush, Chair height
+Dual flush option allows water-saving liquid flushes
+One-piece design has no seam between tank and bowl
+Chair height suits users who prefer higher seating
−Lid is manual rather than automatic
$299.99
as of 11/04/2026 03:40 PST - DetailsProduct details
$299.99as of 11/04/2026 03:40 PST - Details
View on AmazonPros
+Dual flush option allows water-saving liquid flushes
+One-piece design has no seam between tank and bowl
+Chair height suits users who prefer higher seating
+Built-in night light for nighttime use
Cons−Lid is manual rather than automatic
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush, 1.2 to 1.4 GPF
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
−Tankless design depends on electricity to flush
No price recorded yet.
Product details
Pros
+One-piece design has no gap between tank and bowl
+Built-in bidet for washing without toilet paper
+Dual flush offers a reduced-water option
+Automatic lid opening and closing
+Uses 1.2 to 1.4 GPF per flush
Cons−Tankless design depends on electricity to flush
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF
+Dual flush offers 1.28 and 0.9 GPF settings
+Elongated bowl for added seating space
+One-piece design has no seam between tank and bowl
−Uses 1.2 to 1.4 GPF on the full flush
No price recorded yet.
Product details
TOTO Aquia IV One-Piece Elongated Dual Flush 1.28 and 0.9 GPF WASHLET+ and Auto Flush Ready Toilet with CEFIONTECT,No price recorded yet.View on AmazonPros
+Dual flush offers 1.28 and 0.9 GPF settings
+Elongated bowl for added seating space
+One-piece design has no seam between tank and bowl
+Smart WASHLET+ and auto flush ready
Cons−Uses 1.2 to 1.4 GPF on the full flush
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush, 1.2 to 1.4 GPF
+Dual flush option
+Child mode included
+Foot sensor included
−Flush rate of 1.2 to 1.4 GPF
$299.99
as of 11/04/2026 03:40 PST - DetailsProduct details
$299.99as of 11/04/2026 03:40 PST - Details
View on AmazonPros
+Dual flush option
+Child mode included
+Foot sensor included
+Warm water wash and air dry
Cons−Flush rate of 1.2 to 1.4 GPF
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Dual flush
+Dual flush option for water-saving full or partial flushes
+One-piece design with no seam between tank and bowl
+Smart toilet with automatic flush features
−Requires electrical power for smart features
$599.99
as of 11/04/2026 00:02 PST - DetailsProduct details
$599.99as of 11/04/2026 00:02 PST - Details
View on AmazonPros
+Dual flush option for water-saving full or partial flushes
+One-piece design with no seam between tank and bowl
+Smart toilet with automatic flush features
+Front and rear wash functions built in
Cons−Requires electrical power for smart features
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF
+Wall mounted design frees floor space and eases cleaning underneath
+One-piece construction has no seam between tank and bowl
+Dual flush offers a lower-water option for liquid waste
−Requires a wall-hung installation setup
−Bowl only, tank and mounting frame not included
No price recorded yet.
Product details
Pros
+Wall mounted design frees floor space and eases cleaning underneath
+One-piece construction has no seam between tank and bowl
+Dual flush offers a lower-water option for liquid waste
+Elongated bowl for a longer seated profile
+Smart toilet features for added functionality
Cons−Requires a wall-hung installation setup
−Bowl only, tank and mounting frame not included
Compared with the 16 toilets on this page+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
How pros and cons are picked (About: Disclaimer)About this product
One-piece, Elongated, Dual flush
+Tankless design saves tank space
+One-piece design with no seam between tank and bowl
+Elongated bowl for a longer seat area
No price recorded yet.
Product details
Pros
+Tankless design saves tank space
+One-piece design with no seam between tank and bowl
+Elongated bowl for a longer seat area
+Dual flush option to save water on liquid waste
+Heated seat and automatic open and close lid
How pros and cons are picked (About: Disclaimer)About this product
Compare specs
| toilet | Pieces | Bowl shape | Flush | Gallons per flush | Rough-in | Spec score | Price |
|---|---|---|---|---|---|---|---|
| One-piece | Elongated | Dual flush | n/a | $8,399.96 as of 11/03/2026 23:47 PST - Details | |||
| One-piece | Elongated | Dual flush | n/a | $2,499.97 as of 11/03/2026 23:47 PST - Details | |||
| One-piece | Elongated | Dual flush | n/a | $3,229.98 as of 11/03/2026 23:47 PST - Details | |||
| One-piece | Elongated | Dual flush | n/a | $5,999.96 as of 11/03/2026 23:47 PST - Details | |||
| One-piece | Dual flush | 12 in | n/a | $369.98 as of 11/04/2026 03:40 PST - Details | |||
| One-piece | Elongated | Dual flush | 1.2 to 1.4 GPF | n/a | $399.98 as of 11/04/2026 00:02 PST - Details | ||
| One-piece | Elongated | Dual flush | n/a | $379.99 as of 11/04/2026 03:40 PST - Details | |||
| One-piece | Dual flush | 1.2 to 1.4 GPF | n/a | $263.70 as of 11/04/2026 03:40 PST - Details | |||
| One-piece | Dual flush | n/a | $299.99 as of 11/04/2026 03:40 PST - Details | ||||
| One-piece | Dual flush | n/a | $299.99 as of 11/04/2026 03:40 PST - Details |
Before you buy
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