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One Piece Dual Flush Toilets

All toilets

79 one piece dual flush toilets from DeerValley, Jastoeny, Swiss Madison and more. Most cost $215 to $599, and half cost less than $300.

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: Jastoeny (17)DeerValley (10)Swiss Madison (6)Kohler (5)Horow (4)

Jastoeny

One-piece, Dual flush, 1.5 to 1.6 GPF

+Compact footprint suits smaller bathrooms
+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
$289.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Elongated, Dual flush, Chair height

+12 inch rough-in suits standard-depth installations
+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
No price recorded yet.
DeerValley

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+Elongated bowl for a larger seating area
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
No price recorded yet.
Swiss Madison

One-piece, Dual flush, 1.5 to 1.6 GPF

+Dual flush option offers a lower-volume flush setting
+One-piece design has no seam between tank and bowl
+Square shape gives a modern look for contemporary bathrooms
$288.97
as of 11/04/2026 22:14 PST - Details
Woodbridge

One-piece, Dual flush, Chair height

+Dual flush for water-saving options
+One-piece construction with no tank gap
+Chair height seat with soft close lid
No price recorded yet.
WinZo

One-piece, Dual flush, Chair height, 12 in

+One-piece construction has no seam between tank and bowl
+Dual flush offers two flush volumes
+Chair height seat is easier to sit down and stand up from
$269.46
as of 11/04/2026 08:35 PST - Details
DeerValley

One-piece, Elongated, Dual flush, Chair height

+Elongated bowl for a larger seating area
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
No price recorded yet.
Jojoka

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+Elongated bowl for a longer seat area
+One-piece design with no seam between tank and bowl
+Dual flush option to save water on liquid waste
$489.99
as of 11/04/2026 22:45 PST - Details
Jastoeny

One-piece, Elongated, Dual flush, 12 in

+12 inch rough-in suits standard-depth installations
+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
$289.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Compact footprint suits smaller bathrooms
+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
$309.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Dual flush, Chair height

+Compact footprint suits smaller bathrooms
+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
$549.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Dual flush, 1.5 to 1.6 GPF, 12 in

+Dual flush system with 1.5 to 1.6 GPF
+One-piece design with no gap between tank and bowl
+Compact footprint for smaller bathrooms
$289.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Dual flush offers a reduced 1.1 GPF option
+Compact footprint suits smaller bathrooms
+One-piece design has no seam between tank and bowl
$299.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Dual flush with a 1.6 GPF water-saving option
+Chair height bowl is easier to sit down and stand up from
+Compact footprint suits smaller bathrooms
$309.99
as of 11/03/2026 23:39 PST - Details
Stmhom

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+Dual flush with 0.8 and 1.28 GPF settings
+Chair height suits accessible use
+Compact footprint for smaller bathrooms
$439.99
as of 11/04/2026 00:32 PST - Details
TONA

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+One-piece design has no seam between tank and bowl to clean
+Dual flush option offers a lower-water flush for liquid waste
+Compact footprint suits smaller bathrooms
$359.99
as of 11/04/2026 05:41 PST - Details
Jastoeny

One-piece, Dual flush, 1.5 to 1.6 GPF, 12 in

+Dual flush system with 1.5 to 1.6 GPF
+One-piece design with no gap between tank and bowl
+Compact footprint for smaller bathrooms
No price recorded yet.
Jastoeny

One-piece, Dual flush, 1.5 to 1.6 GPF, 12 in

+Dual flush system with 1.5 to 1.6 GPF
+One-piece design with no gap between tank and bowl
+12 in. rough-in for standard placement
No price recorded yet.
Generic

One-piece, Dual flush, 12 in

+Dual flush option for water savings
+One-piece design has fewer seams to clean
+Soft-close seat and lid included
No price recorded yet.
Generic

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Dual flush for water savings
+Chair height suits accessible use
+ADA compliant design
No price recorded yet.
Mrejartom

One-piece, Elongated, Dual flush, 1.5 to 1.6 GPF

+Dual flush for water savings
+Chair height suits accessible use
+Compact footprint for smaller bathrooms
No price recorded yet.
Los Flexi

One-piece, Elongated, Dual flush, 1.2 to 1.4 GPF

+1.2 to 1.4 GPF: the lowest gallons per flush of the 53 here
$499.99
as of 11/04/2026 02:35 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushRough-inSpec scorePrice
One-pieceDual flush1.5 to 1.6 GPFn/a$289.99
as of 11/03/2026 23:39 PST - Details
One-pieceElongatedDual flush12 inn/aNo current price
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/aNo current price
One-pieceDual flush1.5 to 1.6 GPFn/a$288.97
as of 11/04/2026 22:14 PST - Details
One-pieceDual flushn/aNo current price
One-pieceDual flush12 inn/a$269.46
as of 11/04/2026 08:35 PST - Details
One-pieceElongatedDual flushn/aNo current price
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$489.99
as of 11/04/2026 22:45 PST - Details
One-pieceElongatedDual flush12 inn/a$289.99
as of 11/03/2026 23:39 PST - Details
One-pieceElongatedDual flush1.5 to 1.6 GPFn/a$309.99
as of 11/03/2026 23:39 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.