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Toilets with a 12-Inch Rough-In

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14 toilets with a 12-inch rough-in from DeerValley, Los Flexi, Horow and more. Most cost $165 to $355, and half cost less than $279.

All filtersFilters (2)×
Seat height: Extra tall  ×Rough-in: 12 in  ×Clear all
BrandLos Flexi3Simple Project3Homlylink2Superflo2Coucheta1Little Meerkat1Swiss Madison1Vomlor1
PiecesTwo-piece7
Bowl shapeElongated12Round1
FlushSingle flush6Dual flush3
Gallons per flush1.2 to 1.4 GPF121.5 to 1.6 GPF1
Seat heightChair height35Extra tall14Standard height2
Rough-in12 in14
PriceUnder $2002Under $2503Under $3006Under $4005$200 & above11$250 & above10$300 & above5
Clear allShow 14 toilets
Seat height: Extra tall  ×Rough-in: 12 in  ×14 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
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
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
Los Flexi

Two-piece, Dual flush, 1.2 to 1.4 GPF, Extra tall

+Extra tall seat height suits tall users and seniors
+Dual flush option for water-saving or full flushes
+Skirted design for a cleaner look
−Round bowl offers less seating room than elongated
$319.99
as of 11/04/2026 09:40 PST - Details
Simple Project

Round, 1.2 to 1.4 GPF, Extra tall, 12 in

+Extra tall 19 inch height eases sitting and standing
+Round bowl fits compact bathrooms
+12 inch rough-in matches standard installations
−Round bowl offers less seated length than elongated models
$279.00
as of 11/04/2026 03:35 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
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
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
Coucheta

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

+Extra tall 21 inch height for easier standing
+Elongated bowl for more seating room
+Single power flush with 1.2 to 1.4 GPF
−Two-piece design has a seam between tank and bowl
No price recorded yet.
Swiss Madison

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

+Extra tall 21 inch bowl height suits seniors
+Elongated bowl offers more seating room
+1.28 GPF flush for water savings
$282.93
as of 11/04/2026 05:36 PST - Details
Los Flexi

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

+1.2 to 1.4 GPF: only 7 of 61 here have a lower gallons per flush
$379.99
as of 11/04/2026 00:15 PST - Details
Simple Project

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
$317.00
as of 11/04/2026 03:35 PST - Details

Compare specs

toiletPiecesBowl shapeFlushGallons per flushSeat heightSpec scorePrice
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 GPFExtra talln/a$239.99
as of 11/04/2026 09:38 PST - Details
Two-pieceElongatedSingle flush1.2 to 1.4 GPFExtra talln/a$255.86
as of 11/03/2026 23:26 PST - Details
Two-pieceDual flush1.2 to 1.4 GPFExtra talln/a$319.99
as of 11/04/2026 09:40 PST - Details
Round1.2 to 1.4 GPFExtra talln/a$279.00
as of 11/04/2026 03:35 PST - Details
ElongatedDual flush1.5 to 1.6 GPFExtra talln/a$319.68
as of 11/03/2026 23:26 PST - Details
ElongatedDual flushExtra talln/a$259.00
as of 11/04/2026 05:36 PST - Details
ElongatedSingle flush1.2 to 1.4 GPFExtra talln/a$355.00
as of 11/04/2026 03:35 PST - Details
Two-pieceElongated1.2 to 1.4 GPFExtra talln/a$159.00
as of 11/04/2026 09:40 PST - Details
ElongatedSingle flush1.2 to 1.4 GPFExtra talln/a$269.99
as of 11/04/2026 07:39 PST - Details

Before you buy

Other Rough-in options

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 Toilets255Toilets with a Bidet165Chair Height Toilets1641.2 to 1.4 GPF Toilets160Dual Flush Toilets152Two-Piece Toilets145One-Piece Toilets138Toilets under $30079

Toilets by use

Macerating Toilets19One Piece Dual Flush Toilets79Two Piece Chair Height Toilets65Elongated Chair Height Toilets111Compact One Piece Toilets41Wall Hung Dual Flush Toilets22

Related product types

Toilets with a 10-Inch Rough-In18

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