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One Piece Dual Flush Toilets

All toilets

3 one piece dual flush toilets from DeerValley, Jastoeny, Swiss Madison and more. Prices run $215 to $329.

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.

All filtersFilters (1)×
Seat height: Standard height  ×Clear all
BrandDeerValley2Jastoeny1
PiecesOne-piece3
Bowl shapeElongated2
FlushDual flush3
Gallons per flush1.5 to 1.6 GPF3
Seat heightChair height35Standard height3
Rough-in10 in112 in1
CompactCompact1
PriceUnder $2501Under $3002Under $4001$250 & above2$300 & above1
Clear allShow 3 toilets
Seat height: Standard height  ×3 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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
$215.27-10%Was: $239.19
as of 11/04/2026 22:30 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
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

Compare specs

toiletPiecesBowl shapeFlushGallons per flushRough-inSpec scorePrice
One-pieceElongatedDual flush1.5 to 1.6 GPF10 inn/a$215.27
as of 11/04/2026 22:30 PST - Details
One-pieceDual flush1.5 to 1.6 GPFn/a$289.99
as of 11/03/2026 23:39 PST - Details
One-pieceElongatedDual flush1.5 to 1.6 GPF12 inn/a$329.00
as of 11/04/2026 22:30 PST - Details

Before you buy

Other uses

Bidet Seats649Laundry & Utility Fixtures69Bathtub Faucets & Showerheads15Bathroom Sinks80Bathroom Sink Vanities & Accessories100Bathroom Fixture Accessories5Bathroom Safety & Accessibility77Bathroom Storage & Mirrors78Kitchen Sink Aerators63Kitchen Sink Accessories95Water Dispensers & Coolers92Drain Strainers81

Popular filters

Elongated Toilets256Toilets with a Bidet165Chair Height Toilets1641.2 to 1.4 GPF Toilets160Dual Flush Toilets152Two-Piece Toilets146One-Piece Toilets138Toilets under $30078

Toilets by use

Macerating Toilets19Two Piece Chair Height Toilets65Elongated Chair Height Toilets111Compact One Piece Toilets41Wall Hung Dual Flush Toilets22

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