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Toilets with a 12-Inch Rough-In

All toilets

49 toilets with a 12-inch rough-in from DeerValley, Los Flexi, Horow and more. Most cost $170 to $434, and half cost less than $259.

Top brands: Jastoeny (7)DeerValley (4)

Kohler

Two-piece, Elongated, 1.2 to 1.4 GPF, 12 in

+Elongated bowl offers more seating room
+Uses 1.2 to 1.4 GPF per flush
+12 inch rough-in fits standard 12 inch floor drains
−Two-piece design has a separate tank to clean
No current price. Check it at the store.
DeerValley

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

−1.5 to 1.6 GPF: 43 of the 61 here have a lower gallons per flush
$215.00-35%List: $329.00
as of 11/03/2026 22:35 PST - Details
Casta Diva

One-piece, Elongated, Under 1.2 GPF, Chair height

+Uses under 1.2 GPF for water-saving flushing
+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
−Single flush design without a dual flush option
$249.99-17%List: $299.99
as of 11/03/2026 22:20 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 11/03/2026 22:35 PST - Details
Superflo

Elongated, Single flush, 1.2 to 1.4 GPF, Extra tall

+1.2 to 1.4 GPF: only 7 of 61 here have a lower gallons per flush
$165.00-17%Was: $198.00
as of 11/04/2026 05:36 PST - Details
Idealhouse

Two-piece, Elongated, 1.2 to 1.4 GPF, Chair height

+ADA compliant comfort height design
+Elongated bowl offers more seating space
+Water use of 1.2 to 1.4 GPF per flush
−17 inch bowl is narrower than some standard heights
$184.99-8%Was: $199.99
as of 11/04/2026 10:38 PST - Details
Ellai

Two-piece, Elongated, Single flush, 1.2 to 1.4 GPF

+Elongated bowl for a larger seating area
+Comfort chair height for easier sitting and standing
+Standard 12 inch rough-in fits common bathroom layouts
−Two-piece design has a seam between tank and bowl
−Single flush offers only one flush volume
$379.00-5%List: $399.00
as of 11/03/2026 22:49 PST - Details
Horow

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

+One-piece design with no separate tank to clean
+Elongated bowl provides more seating room
+Compact skirted design takes up less floor space
−Flush volume of 1.2 to 1.4 GPF is typical, not low
−Single flush offers no reduced-water option
$239.00
as of 11/03/2026 23:26 PST - Details
Los Flexi

Two-piece, Elongated, 1.2 to 1.4 GPF, Extra tall

+Extra tall seat height suits seniors and tall users
+Elongated bowl for added seating room
+Water use of 1.2 to 1.4 GPF
−Single flush mode without dual flush option
$239.99
as of 11/04/2026 09:38 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 14:39 PST - Details
Bolina

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

+1.2 to 1.4 GPF: only 7 of 61 here have a lower gallons per flush
$187.47-10%Was: $209.30
as of 11/04/2026 13:41 PST - Details
Horow

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

+Dual flush option lets users choose a lower water volume
+ADA chair height of 17.3 inches eases sitting and standing
+Elongated bowl provides more seating room
−Flush volume of 1.5 to 1.6 GPF is typical, not low
$249.00-7%List: $269.00
as of 11/03/2026 23:26 PST - Details
Casta Diva

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

+Elongated bowl for added seating room
+Chair height seat for easier sitting and standing
+Dual flush option offers two flush volumes
−Uses 1.5 to 1.6 GPF, more water per flush than some models
$259.00
as of 11/03/2026 22:20 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 11/03/2026 22:20 PST - Details
Simple Project

Elongated, Single flush, 1.2 to 1.4 GPF, Extra tall

+Extra tall height eases sitting and standing
+Elongated bowl for a longer seated profile
+12 inch rough-in matches standard installations
−Single flush offers no lower-water option for liquid waste
$355.00
as of 11/04/2026 03:35 PST - Details
Los Flexi

Two-piece, Elongated, Under 1.2 GPF, Chair height

+Pressure assisted flush using under 1.2 GPF
+Elongated bowl for more seating space
+Chair height at 18.8 inches for easier sitting
−Two-piece design has a separate tank to clean
$399.99
as of 11/04/2026 00:44 PST - Details
Horow

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

+Chair height eases sitting and standing
+Elongated bowl for added seating comfort
+Dual flush offers 1.5 to 1.6 GPF options
−Two-piece design has a separate tank to clean
$209.88
as of 11/03/2026 23:26 PST - Details
Los Flexi

One-piece, Elongated, Under 1.2 GPF, Chair height

+Under 1.2 GPF flush volume for water savings
+Elongated bowl for added seating comfort
+One-piece design with no seam between tank and bowl
−Non-electric, so no bidet or smart features
$239.99
as of 11/04/2026 00:03 PST - Details
Los Flexi

Two-piece, Elongated, 1.2 to 1.4 GPF, Chair height

+Chair height seat suits ADA accessibility needs
+Elongated bowl for added seating room
+Powerful siphon jet flush action
−Single flush mode without dual flush option
$189.99
as of 11/04/2026 09:38 PST - Details
Hrveocei

One-piece, Elongated, Dual flush, Chair height

+Dual flush option lets users choose a lower water volume
+One-piece design with no separate tank to clean
+Elongated bowl provides more seating room
−Soft closing seat is the only listed seat feature
$136.82
as of 11/03/2026 23:31 PST - Details
Little Meerkat

Two-piece, Elongated, 1.2 to 1.4 GPF, Extra tall

+Extra tall seat height suits tall users and seniors
+Elongated bowl for added seating room
+Water use of 1.2 to 1.4 GPF
−Single flush mode without dual flush option
$159.00
as of 11/04/2026 09:40 PST - Details
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 11/03/2026 22:20 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
Vomlor

Elongated, Single flush, 1.2 to 1.4 GPF, Extra tall

+Extra tall 21 inch height for easier standing
+Elongated bowl for added seating space
+Uses 1.28 GPF flush
−Single flush only, with no dual flush option
$269.99
as of 11/04/2026 07:39 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
Kohler

Two-piece, Elongated, 1.2 to 1.4 GPF, 12 in

+Elongated bowl offers more seating room
+Uses 1.2 to 1.4 GPF per flush
+12 inch rough-in fits standard 12 inch floor drains
−Two-piece design has a separate tank to clean
$434.50
as of 11/03/2026 23:47 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushSeat heightSpec scorePrice
Two-pieceElongated1.2 to 1.4 GPFn/aNo current price
One-pieceElongatedDual flush1.5 to 1.6 GPFStandard heightn/a$215.00
as of 11/03/2026 22:35 PST - Details
One-pieceElongatedUnder 1.2 GPFChair heightn/a$249.99
as of 11/03/2026 22:20 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPFChair heightn/a$215.00
as of 11/03/2026 22:35 PST - Details
ElongatedSingle flush1.2 to 1.4 GPFExtra talln/a$165.00
as of 11/04/2026 05:36 PST - Details
Two-pieceElongated1.2 to 1.4 GPFChair heightn/a$184.99
as of 11/04/2026 10:38 PST - Details
Two-pieceElongatedSingle flush1.2 to 1.4 GPFChair heightn/a$379.00
as of 11/03/2026 22:49 PST - Details
One-pieceElongatedSingle flush1.2 to 1.4 GPFn/a$239.00
as of 11/03/2026 23:26 PST - Details
Two-pieceElongated1.2 to 1.4 GPFExtra talln/a$239.99
as of 11/04/2026 09:38 PST - Details
One-pieceElongatedDual flush1.2 to 1.4 GPFChair heightn/a$259.99
as of 11/04/2026 14:39 PST - Details

Before you buy

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