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One Piece Dual Flush Toilets

All toilets

21 one piece dual flush toilets from DeerValley, Jastoeny, Swiss Madison and more. Most cost $215 to $489, and half cost less than $290.

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.

Loniko

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 - Details
Vipbear

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 - Details
DeerValley

One-piece, Dual flush, 1.2 to 1.4 GPF, 12 in

+Compact design suits small bathrooms
+Dual flush offers a reduced-volume option
+One-piece construction with no joint to clean
−Rough-in is 12 inches, which must match existing plumbing
No price recorded yet.
Bayroll

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

+Dual flush gives a choice of flush volumes
+Uses 1.2 to 1.4 GPF, a water-saving range
+Chair height seat is easier to sit down and stand up from
−Round bowl offers less seat space than elongated models
$349.00
as of 11/04/2026 21:56 PST - Details
Bolina

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
$187.47-22%Was: $239.20
as of 11/04/2026 22:04 PST - Details
DeerValley

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

+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
$215.00-17%List: $258.00
as of 11/04/2026 22:30 PST - Details
Canest

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

+Dual flush offers a lower-water option for liquid waste
+One-piece design has no seam between tank and bowl
+Chair height ADA-style bowl
$259.99-13%List: $299.99
as of 11/04/2026 22:12 PST - Details
Casta Diva

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

+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Flush volume ranges 1.2 to 1.4 GPF
$289.99
as of 11/04/2026 22:15 PST - Details
Loniko

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.
Sotomo

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

+Compact round bowl suits small bathrooms
+One-piece design has no seam between tank and bowl
+Dual flush offers water-saving options
−Round bowl offers less seating room than elongated
No price recorded yet.
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
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
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.
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.
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
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
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-pieceElongatedDual flush1.2 to 1.4 GPFn/a$399.98
as of 11/04/2026 00:02 PST - Details
One-pieceDual flush1.2 to 1.4 GPFn/a$263.70
as of 11/04/2026 03:40 PST - Details
One-pieceDual flush1.2 to 1.4 GPF12 inn/aNo current price
One-pieceRoundDual flush1.2 to 1.4 GPF12 inn/a$349.00
as of 11/04/2026 21:56 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$187.47
as of 11/04/2026 22:04 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$215.00
as of 11/04/2026 22:30 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$259.99
as of 11/04/2026 22:12 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPF12 inn/a$289.99
as of 11/04/2026 22:15 PST - Details
One-pieceDual flush1.2 to 1.4 GPFn/aNo current price
One-pieceRoundDual flush1.2 to 1.4 GPF12 inn/aNo current price

Before you buy

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