When you buy through our links, we may earn a commission. Learn more ›
Wiki Shopping

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)

WinZo

One-piece, Dual flush

+23 inch length suits tight bathrooms
+Dual flush for water-saving options
+One-piece construction with no tank gap
−Round bowl offers less seating room than elongated models
$208.99
as of 11/04/2026 08:35 PST - Details
TOTO

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.
Casta Diva

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

+Elongated bowl for added seating room
+ADA comfort height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Flush volume ranges 1.2 to 1.4 GPF
$229.99
as of 11/04/2026 22:15 PST - Details
Jastoeny

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

+Dual flush system with 1.2 to 1.4 GPF
+One-piece design with no gap between tank and bowl
+12 in. rough-in for standard placement
−Not a compact footprint
$256.99
as of 11/03/2026 23:39 PST - Details
Vipbear

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 - Details
Jastoeny

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

+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
−Chair height seat rather than standard height
$309.99
as of 11/03/2026 23:39 PST - Details
Horow

One-piece, Round, Dual flush, 12 in

+Dual flush option lets users choose a lower water volume
+One-piece design with no separate tank to clean
+Compact round bowl suits small bathrooms
−Round bowl offers less seating room than elongated
$259.00
as of 11/03/2026 23:26 PST - Details
Jastoeny

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

+Dual flush system with 1.2 to 1.4 GPF
+One-piece design with no gap between tank and bowl
+12 in. rough-in for standard placement
−Not a compact footprint
$289.99
as of 11/03/2026 23:39 PST - Details
Sunny Heart

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 - Details
Jastoeny

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

+One-piece design with no seam between tank and bowl
+Dual flush offers two flush volumes
+Elongated bowl offers a longer seat area
−Uses 1.5 to 1.6 gallons per flush on the full flush
$299.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

One-piece, Dual flush, 1.5 to 1.6 GPF, Standard height

+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
−Standard bowl rather than elongated
$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 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
−Not a compact footprint
$228.99
as of 11/03/2026 23:39 PST - Details
Jastoeny

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

+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
−Not a compact footprint
$249.99
as of 11/03/2026 23:39 PST - Details
Loniko

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 - Details
WinZo

One-piece, Elongated, Dual flush, Chair height

+Macerating system for basements below the sewer line
+Dual flush for water-saving options
+One-piece elongated bowl
−Requires electrical power to run the macerator
$699.99
as of 11/04/2026 08:35 PST - Details
Casta Diva

One-piece, Dual flush, 1.2 to 1.4 GPF

+Compact one-piece design for smaller bathrooms
+Dual flush option offers two flush volumes
+Compact footprint suits tight spaces
−Flush volume ranges 1.2 to 1.4 GPF
No price recorded yet.
Signature Hardware

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.
Swiss Madison

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

+One-piece construction has no seam at the tank
+Elongated bowl offers a longer seat area
+Dual flush lets you choose water volume
$252.93
as of 11/04/2026 04:39 PST - Details
Swiss Madison

One-piece, Dual flush, 1.5 to 1.6 GPF

+Dual flush offers a choice between two water volumes
+One-piece design has no seam between tank and bowl
+Flush range of 1.5 to 1.6 GPF
$287.16
as of 11/03/2026 23:38 PST - Details
EPLO

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.
DeerValley

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

+Elongated bowl for added seating comfort
+Dual flush offers a reduced-volume option
+Standard seat height for everyday use
$329.00
as of 11/04/2026 22:30 PST - Details
DeerValley

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

+Elongated bowl for a larger seating area
+Dual flush offers two flush volumes
+One-piece design with no seam between tank and bowl
$224.00
as of 11/04/2026 22:30 PST - Details
DeerValley

One-piece, Dual flush, 1.5 to 1.6 GPF, Chair height

+Compact design suits small bathrooms
+Chair height seat is easier to sit down and stand up from
+Dual flush offers a reduced-volume option
$198.99
as of 11/04/2026 22:30 PST - Details
Maxsa Innovations

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
$314.99
as of 11/04/2026 22:45 PST - Details
Eridanus

One-piece, Elongated, Dual flush, 1.5 to 1.6 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
$299.00
as of 11/04/2026 22:48 PST - Details
DeerValley

One-piece, Elongated, Dual flush, Chair height

+Elongated bowl for added seating comfort
+Chair height seat is easier to sit down and stand up from
+Dual flush offers a reduced-volume option
No price recorded yet.
Vevor

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

+One-piece design with no seam between tank and bowl
+Dual flush with 1.1 and 1.6 GPF options
+Elongated bowl for added seating space
$299.99
as of 11/04/2026 07:36 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushRough-inSpec scorePrice
One-pieceDual flushn/a$208.99
as of 11/04/2026 08:35 PST - Details
One-pieceRoundDual flush1.5 to 1.6 GPF12 inn/a$319.68
as of 11/03/2026 23:26 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPFn/aNo current price
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$229.99
as of 11/04/2026 22:15 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$256.99
as of 11/03/2026 23:39 PST - Details
One-pieceDual flushn/a$299.99
as of 11/04/2026 03:40 PST - Details
One-pieceElongatedDual flush1.5 to 1.6 GPFn/a$309.99
as of 11/03/2026 23:39 PST - Details
One-pieceRoundDual flush12 inn/a$259.00
as of 11/03/2026 23:26 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$289.99
as of 11/03/2026 23:39 PST - Details
One-pieceDual flush1.2 to 1.4 GPFn/a$299.99
as of 11/04/2026 03:40 PST - Details

Before you buy

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