Best 12-Inch Toilets in 2026: 15 Picks Compared on Specs
The top pick for a 12-inch rough-in replacement is the DeerValley One Piece Elongated Toilet with a 17.24-inch chair height. It combines a one-piece body, an elongated bowl, dual flush, and 1.2 to 1.4 GPF water use in one model. This guide compares 15 toilets from a pool of 27 that all list a 12-inch rough-in. We rely on stated specifications; no unit was installed for this guide, and prices on the page are live listing prices.
15 picks from 9 toilets that match this guide with a price we can quote today, made by 26 makers. The prices below are current and each carries its read time.
Quick picks
The best fit for you
- For a small bathroom: Compact one-piece models keep the footprint down. The DeerValley Compact One Piece with Soft Close Seat adds a soft-close seat and a stated 0.8/1.28 GPF dual flush on a 12-inch rough-in. See pick 5
- For tall users or accessible height: Look for extra-tall or ADA chair-height models. The HOROW 19 Inch Extra Tall is a two-piece elongated dual-flush toilet with a 19-inch height position and a 1000g MAP claim. See pick 3
- For smart and bidet features: If you want bidet, heated seat, auto open/close, and foot controls, the WinZo Smart Toilet with Bidet Built In packs those features into a one-piece chair-height 12-inch rough-in model. See pick 7
- For a statement bathroom: When the toilet is part of the design, the Los Flexi Satin Gold one-piece combines a satin gold finish, rimless swirl flush, and 17.3-inch chair height on a 12-inch rough-in. See pick 11
Our 15 picks
1 Best overall
DeerValley One Piece Toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
The DeerValley pairs the features most buyers ask for in one 12-inch rough-in model: one-piece construction, an elongated bowl, a stated 17.24-inch chair height, dual flush, and 1.2 to 1.4 GPF. It is more complete on paper than the Kohler two-piece, which leaves out seat height and dual flush, and it avoids the decorative finish of the Los Flexi Satin Gold. For a general replacement, it is the strongest starting point in the list.
Pros
- One-piece body with elongated bowl
- Stated 17.24-inch chair seat height
- Dual flush with 1.2 to 1.4 GPF
- 12-inch rough-in listed
Cons
- Soft-close or quick-release seat not stated
- No smart or bidet function
- GPF range is not as low as the 1.0 GPF model in this list
Good fit if
- Replacements for a main bathroom on a 12-inch rough-in
- Households that want chair height and dual flush in one unit
Skip if
- You need a compact footprint for a very small bathroom
- You want an integrated bidet or smart toilet
Verdict: A balanced one-piece 12-inch rough-in toilet with chair height, elongated bowl, and dual flush.
2 Best conventional two-piece
Kohler KOH3998-T-0 1.28 GPF Two-Piece Elongated Toilet
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Rough-in
- 12 in
The Kohler Wellworth keeps the replacement straightforward: a two-piece elongated toilet with a stated 1.28 GPF figure and a 12-inch rough-in. Among the two-piece picks, it is one of the few with a specific 1.28 GPF number in the listing rather than a range, and it includes tank locks. It does not add chair height or dual flush, so it suits buyers who want a familiar configuration.
Pros
- Two-piece elongated design
- Stated 1.28 GPF, below the 1.6 federal maximum
- Tank locks included
- 12-inch rough-in listed
Cons
- Seat height not stated by seller
- Flush type beyond 1.28 GPF not stated
- No one-piece or compact construction
Good fit if
- Replacing an older two-piece toilet on a 12-inch rough-in
- Buyers who want a low-GPF model from a long-established maker
Skip if
- You need chair height or extra-tall height
- You prefer one-piece styling
Verdict: A conventional low-GPF two-piece toilet for a straightforward 12-inch rough-in replacement.
3 Best extra tall for seniors
HOROW 19" Extra Tall Toilet for Seniors & Tall Adults
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Extra tall
- Rough-in
- 12 in
The HOROW 19 calls out senior and tall-adult use in its listing and combines an extra-tall two-piece body, elongated bowl, dual flush, and a 1000g MAP claim. The Swiss Madison Classe states a higher 21-inch bowl height, but this HOROW is the one with dual flush and a stated MAP figure. It is the clearest accessibility-focused choice in the list for users who want those details.
Pros
- Extra tall chair-height design with elongated bowl
- Dual flush
- Listing states a 1000g MAP flush performance figure
- 12-inch rough-in
Cons
- GPF of 1.5 to 1.6, at the upper end of the federal range
- Two-piece construction
- No skirted design or smart features
Good fit if
- Seniors or tall adults replacing a 12-inch rough-in toilet
- Buyers who want dual flush with a stated 1000g MAP figure
Skip if
- You want the tallest 21-inch options in this list
- You prefer a one-piece toilet
Verdict: An extra-tall two-piece dual-flush toilet aimed at seniors, with a 1000g MAP claim.
4 Best 21-inch bowl height
Swiss Madison Classe Extra Tall Two-Piece 12" Rough-in 1.28 GPF
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Extra tall
- Rough-in
- 12 in
The Classe is one of two picks in this guide that state 21 inches of height, and its listing specifically calls out the bowl height. That makes it the clearest choice when bowl height, not overall fixture height, is the target. It combines that extra-tall measurement with a two-piece elongated body and a 1.28 GPF figure for a 12-inch rough-in.
Pros
- Listing states a 21-inch bowl height
- Two-piece elongated construction
- 1.28 GPF water use
- Extra-tall height category
Cons
- No dual flush stated
- Seat and smart features not stated
- No compact designation
Good fit if
- Very tall users who need the highest stated bowl height in this list
- 12-inch rough-in replacements where a 21-inch bowl is the goal
Skip if
- You want dual-flush water savings
- You prefer a round bowl for a shorter footprint
Verdict: A 21-inch bowl height two-piece elongated toilet for extra-tall 12-inch rough-in needs.
5 Best compact for small bathrooms
DeerValley Compact One Piece Toilet for Small Bathrooms
- Pieces
- One-piece
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Rough-in
- 12 in
- Compact
- Yes
$188.00 (as of 10/14/2026 22:54 PDT - Details)
This DeerValley covers the small-bathroom essentials in one listing: compact one-piece body, soft-close seat, dual flush, and a stated 0.8/1.28 GPF. It competes with the WinZo Compact, which has a 22.8-inch depth, but the DeerValley adds the soft-close seat and a concrete GPF figure. For tight spaces that still need dual flush, this is the compact pick to start with.
Pros
- Compact one-piece design
- Soft-close seat included
- Dual flush with 0.8/1.28 GPF stated
- 12-inch rough-in
Cons
- No bowl height stated
- Bowl shape not stated
- Compact depth not stated numerically
Good fit if
- Half baths and small bathrooms with a 12-inch rough-in
- Buyers who want a soft-close seat without installing one later
Skip if
- You need a numeric depth figure like the WinZo Compact's 22.8 inches
- You want a chair-height bowl
Verdict: A compact one-piece dual-flush toilet with soft-close seat for small 12-inch rough-in bathrooms.
6 Best ultra-short depth
WinZo Compact One Piece Toilet 22.8" Depth Modern Short Design Dual
- Pieces
- One-piece
- Flush
- Dual flush
- Rough-in
- 12 in
- Compact
- Yes
The WinZo Compact states a 22.8-inch depth, the shortest depth figure among the compact picks in this guide. It is a one-piece dual-flush toilet designed for a small footprint on a 12-inch rough-in. The DeerValley Compact adds a soft-close seat and GPF details, but the WinZo is the one to choose when front-to-back space is the main constraint and a number in the listing matters.
Pros
- 22.8-inch depth stated in listing
- One-piece compact construction
- Dual flush
- 12-inch rough-in
Cons
- GPF not stated by seller
- Seat height not stated
- Bowl shape not stated
Good fit if
- Very small bathrooms where front-to-back depth is critical
- Buyers who want one-piece styling without a large footprint
Skip if
- You need a stated GPF water use figure
- You want a soft-close seat included
Verdict: The shortest stated-depth compact 12-inch rough-in toilet in this guide.
7 Best smart bidet toilet
WinZo Smart Toilet with Bidet Built
- Pieces
- One-piece
- Seat height
- Chair height
- Rough-in
- 12 in
- Bidet built in or included
- Yes
The WinZo Smart packs the longest smart-feature list in this guide: integrated bidet, auto open/close, heated seat, and foot controls, according to the listing, in a one-piece chair-height body with a 12-inch rough-in. The Swiss Madison Hugo G adds auto flush and a night light but does not state a bidet or heated seat. If smart functions are the priority, this is the model to compare first.
Pros
- Integrated bidet with heated seat listed
- Auto open/close and foot control functions
- One-piece chair-height design
- 12-inch rough-in
Cons
- GPF not stated by seller
- Bowl shape not stated
- Power or wiring requirements not stated
Good fit if
- Households that want bidet, heated seat, and hands-free features
- 12-inch rough-in replacements where a smart toilet is the goal
Skip if
- You want a non-electric toilet
- You prefer simpler controls and fewer electronic parts
Verdict: The most feature-rich smart bidet toilet among these 12-inch rough-in picks.
8 Best integrated-tank smart toilet
Swiss Madison Hugo G Smart Toilet 12" Rough-in ADA Height in Glossy
- Seat height
- Chair height
- Rough-in
- 12 in
- Bidet built in or included
- Yes
The Hugo G offers smart conveniences without the bidet and heated seat of the WinZo Smart: an integrated tank, auto flush, and a night light, according to the listing, in a chair-height body for a 12-inch rough-in. It is the pick for buyers who want automatic operation in a tank-style body.
Pros
- Integrated tank design
- Auto flush and night light listed
- Chair height / ADA height position
- 12-inch rough-in
Cons
- No bidet or heated seat stated
- GPF not stated by seller
- Bowl shape not stated
Good fit if
- Buyers who want auto flush and night light without bidet functions
- 12-inch rough-in bathrooms that need a tank-style smart toilet
Skip if
- You need a built-in bidet
- You want a non-electronic toilet
Verdict: A chair-height integrated-tank smart toilet with auto flush and night light for a 12-inch rough-in.
9 Best 1.0 GPF tankless
LOS FLEXI Non Electric One Piece Toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Gallons per flush
- Under 1.2 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
This Los Flexi states a 1.0 GPF figure, the lowest full-flush figure in this guide, plus a 1000g MAP claim, a tankless one-piece body, and a 17.3-inch ADA chair height. It is the strongest water-saving pick when you do not want a smart toilet. The pressure-assisted Los Flexi stays under 1.2 GPF but uses a two-piece tank design, so the tankless body here is the distinguishing feature.
Pros
- Stated 1.0 GPF, the lowest full-flush figure in this guide
- 1000g MAP flush performance claim
- Tankless one-piece construction
- 17.3-inch chair height with elongated bowl
Cons
- Flush type (single or dual) not stated
- No bidet, seat, or smart features stated
- Electrical and installation details not provided
Good fit if
- Water-conscious buyers replacing a 12-inch rough-in toilet
- Those who want a chair-height one-piece without electric components
Skip if
- You want bidet functions
- You prefer a tank-style toilet
Verdict: A tankless one-piece toilet with 1.0 GPF for minimal water use on a 12-inch rough-in.
10 Best round-bowl compact
HOROW HT1000 Dual Flush One Piece Toilet
- Pieces
- One-piece
- Bowl shape
- Round
- Flush
- Dual flush
- Rough-in
- 12 in
- Compact
- Yes
The HT1000 is the compact pick with a round bowl, which shortens the front-to-back measurement that matters in small bathrooms. Its listing also includes a soft-closing seat and quick-release features. The other compact one-piece toilets in this list, the DeerValley and WinZo, do not state a round bowl, so the HT1000 fills that specific need.
Pros
- Round bowl, the only stated round bowl among compact picks in this guide
- Compact one-piece construction
- Dual flush
- Soft-closing seat and quick-release seat listed
Cons
- GPF not stated by seller
- Seat height not stated
- No elongated bowl for extra room
Good fit if
- Tight bathrooms where a round bowl saves floor space
- Buyers who want a soft-closing seat included
Skip if
- You need an elongated bowl
- You want a stated GPF figure
Verdict: A compact round-bowl one-piece dual-flush toilet for tight 12-inch rough-in bathrooms.
11 Best statement finish
Satin Gold Tone Toilet
- Pieces
- One-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
The Los Flexi Satin Gold is the only pick in this guide that states a metallic finish and the only one that describes a rimless swirl flush. It pairs that design with a one-piece elongated body, a 17.3-inch chair height, dual flush, and 1.2 to 1.4 GPF. If the toilet is a visual centerpiece, this is the model with the most distinctive stated details.
Pros
- Satin gold finish stated in listing
- Rimless swirl flush
- One-piece elongated body at 17.3-inch chair height
- Dual flush with 1.2 to 1.4 GPF
Cons
- Decorative finish is not a neutral white option
- No soft-close seat stated
- No smart or bidet functions
Good fit if
- Design-focused bathrooms with a 12-inch rough-in
- Buyers who want a rimless flush design
Skip if
- You want a plain white toilet
- You prefer a more conventional flush mechanism
Verdict: A one-piece elongated toilet with rimless swirl flush and satin gold finish for a 12-inch rough-in.
12 Best pressure-assisted
Pressure Assisted Toilet with 18.8" Comfort Tall Height
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- Under 1.2 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
The pressure-assisted Los Flexi is the only model in this guide with a pressure-assisted flush, making it the default pick for that specific need. It states an 18.8-inch comfort tall height, a two-piece elongated body, and under 1.2 GPF. It does not offer dual flush or one-piece construction, but it is the clear choice when pressure-assisted operation matters more.
Pros
- Pressure-assisted flush type
- 18.8-inch comfort tall height stated
- Two-piece elongated construction
- Under 1.2 GPF
Cons
- No dual flush
- No flush performance figure beyond GPF stated
- No one-piece or compact design
Good fit if
- Buyers who specifically want a pressure-assisted flush
- Households with taller users who want an 18.8-inch height
Skip if
- You prefer a standard gravity or dual-flush toilet
- You want a tankless or one-piece unit
Verdict: The pressure-assisted choice among these 12-inch rough-in toilets, with an 18.8-inch tall height.
13 Best chair-height two-piece
HOROW 17 Inch Comfort Height Toilet
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Flush
- Dual flush
- Gallons per flush
- 1.5 to 1.6 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
The HOROW 17 is the straightforward two-piece chair-height option: it states a 17-inch height, uses an elongated bowl, and includes dual flush. The Los Flexi 17.9 offers a lower 1.2 to 1.4 GPF range but does not state dual flush, so the HOROW wins when dual flush is part of the requirement. It is an accessible-height model with conventional two-piece construction.
Pros
- Stated 17-inch chair height
- Two-piece elongated design
- Dual flush
- 12-inch rough-in
Cons
- GPF of 1.5 to 1.6, higher than several picks
- No 1000g MAP claim stated
- Two-piece rather than one-piece
Good fit if
- Seniors or tall adults who want a 17-inch chair height with dual flush
- Replacements for a standard two-piece toilet with a taller bowl
Skip if
- You want a one-piece toilet
- You prefer 1.2 to 1.4 GPF or lower water use
Verdict: A dual-flush two-piece elongated toilet with a stated 17-inch chair height.
14 Best siphon-jet two-piece
17.9 Inch ADA Two-Piece Toilet for Bathroom
- Pieces
- Two-piece
- Bowl shape
- Elongated
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Chair height
- Rough-in
- 12 in
The 17.9-inch Los Flexi is a two-piece, elongated, chair-height toilet with a stated 1.2 to 1.4 GPF range and a siphon jet flush described in the listing. It is the lower-water alternative to the HOROW 17 in this guide, which states 1.5 to 1.6 GPF. If you want a two-piece body, a stated chair height, and a lower GPF, this is the pick.
Pros
- 17.9-inch chair height stated
- Two-piece elongated construction
- Siphon jet flush described
- 1.2 to 1.4 GPF
Cons
- No dual flush stated
- No soft-close seat listed
- No skirted design or smart features
Good fit if
- Buyers who want a 17-inch-height two-piece with lower GPF
- Those who want a siphon jet flush on a 12-inch rough-in
Skip if
- You need dual flush
- You prefer one-piece styling
Verdict: A two-piece 17.9-inch chair-height toilet with siphon jet flush and 1.2 to 1.4 GPF.
15 Best skirted extra tall
21 Inch Tall Toilet With Skirted Design
- Pieces
- Two-piece
- Flush
- Dual flush
- Gallons per flush
- 1.2 to 1.4 GPF
- Seat height
- Extra tall
- Rough-in
- 12 in
$319.99 (as of 10/14/2026 22:21 PDT - Details)
This Los Flexi is the only skirted-design toilet in the guide, and it combines that detail with a stated 21-inch extra-tall height, two-piece construction, dual flush, and 1.1/1.28 GPF. The Swiss Madison Classe also reaches 21 inches but does not state a skirted base or dual flush. For an extra-tall toilet where the base design and dual flush matter, this is the pick.
Pros
- 21-inch extra-tall height stated
- Skirted design
- Dual flush with 1.1/1.28 GPF stated
- Two-piece construction
Cons
- No bowl shape stated
- No one-piece body
- No smart features
Good fit if
- Tall households that want a skirted extra-tall toilet
- Buyers who want dual flush on a 21-inch 12-inch rough-in model
Skip if
- You need a stated elongated or round bowl
- You prefer a one-piece or tankless unit
Verdict: A skirted 21-inch extra-tall two-piece toilet with dual flush for 12-inch rough-in installations.
Specifications side by side
| # | Toilet | Pieces | Bowl shape | Flush | Gallons per flush | Seat height | Rough-in |
|---|---|---|---|---|---|---|---|
| 1 | DeerValley One Piece Toilet | One-piece | Elongated | Dual flush | 1.2 to 1.4 GPF | Chair height | 12 in |
| 2 | Kohler KOH3998-T-0 1.28 GPF Two-Piece Elongated Toilet | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | not stated | 12 in |
| 3 | HOROW 19" Extra Tall Toilet for Seniors & Tall Adults | Two-piece | Elongated | Dual flush | 1.5 to 1.6 GPF | Extra tall | 12 in |
| 4 | Swiss Madison Classe Extra Tall Two-Piece 12" Rough-in 1.28 GPF | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | Extra tall | 12 in |
| 5 | DeerValley Compact One Piece Toilet for Small Bathrooms | One-piece | not stated | Dual flush | 1.2 to 1.4 GPF | not stated | 12 in |
| 6 | WinZo Compact One Piece Toilet 22.8" Depth Modern Short Design Dual | One-piece | not stated | Dual flush | not stated | not stated | 12 in |
| 7 | WinZo Smart Toilet with Bidet Built | One-piece | not stated | not stated | not stated | Chair height | 12 in |
| 8 | Swiss Madison Hugo G Smart Toilet 12" Rough-in ADA Height in Glossy | not stated | not stated | not stated | not stated | Chair height | 12 in |
| 9 | LOS FLEXI Non Electric One Piece Toilet | One-piece | Elongated | not stated | Under 1.2 GPF | Chair height | 12 in |
| 10 | HOROW HT1000 Dual Flush One Piece Toilet | One-piece | Round | Dual flush | not stated | not stated | 12 in |
| 11 | Satin Gold Tone Toilet | One-piece | Elongated | Dual flush | 1.2 to 1.4 GPF | Chair height | 12 in |
| 12 | Pressure Assisted Toilet with 18.8" Comfort Tall Height | Two-piece | Elongated | not stated | Under 1.2 GPF | Chair height | 12 in |
| 13 | HOROW 17 Inch Comfort Height Toilet | Two-piece | Elongated | Dual flush | 1.5 to 1.6 GPF | Chair height | 12 in |
| 14 | 17.9 Inch ADA Two-Piece Toilet for Bathroom | Two-piece | Elongated | not stated | 1.2 to 1.4 GPF | Chair height | 12 in |
| 15 | 21 Inch Tall Toilet With Skirted Design | Two-piece | not stated | Dual flush | 1.2 to 1.4 GPF | Extra tall | 12 in |
How the picks were chosen
The pool contains 27 toilets whose seller listings specify a 12-inch rough-in. We grouped them by the details a buyer can verify from manufacturer information: construction (one-piece or two-piece), bowl shape, seat height category, flush type, gallons per flush, compact footprint, and smart or bidet functions. We then selected 15 picks that cover common replacement situations, from small bathrooms and accessible-height models to smart bidet toilets and pressure-assisted units. The live prices shown on this page are read from the current listing at the time of writing and will change. The specifications above come from those listings; no unit was installed and no performance measurements were taken for this guide.
Picking the right one for you
Measure the 12-inch rough-in
Rough-in is the distance from the finished wall behind the toilet to the center of the floor flange. All picks here are listed with a 12-inch rough-in, and 12 inches is the common residential size in the United States. Measure from the finished wall, not from the baseboard, to the center of the closet bolts before ordering, so the new toilet lines up with the drain.
Gallons per flush and flush type
EPA sets the current federal maximum for residential toilets at 1.6 gallons per flush. WaterSense labeled toilets are independently certified to use 1.28 gallons per flush or less while meeting performance criteria. Several picks in this guide state specific dual-flush figures such as 0.8/1.28 GPF or 1.1/1.28 GPF, meaning a reduced flush option for liquid waste and a full flush for solid waste. The listings in this pool do not claim a WaterSense label, so that certification would need separate verification.
Bowl shape and floor footprint
Elongated bowls extend further front to back, which is why they appear on most of the picks here. Round bowls shorten that footprint and can fit tighter bathrooms. Among the compact one-piece picks in this guide, the HOROW HT1000 is the only one that states a round bowl. If a listing does not state a bowl shape, confirm that detail before ordering.
Seat height and accessible design
Chair height and extra-tall models raise the seat relative to standard-height toilets. Several picks in this guide state seat heights between 17 and 21 inches. For facilities covered by the Americans with Disabilities Act, the 2010 ADA Standards set technical requirements; for a home, the main check is whether the seat height works for the people using it. The maker's use of the word ADA in a listing is a label, not a replacement for measuring your own users' needs.
One-piece versus two-piece
One-piece toilets mold the tank and bowl as a single unit. Two-piece toilets use a separate tank mounted on the bowl. Both configurations are represented throughout this guide. One-piece models have fewer exterior seams; two-piece models can be moved and installed in separate parts. There is no universal right choice, so match the construction to your install preferences and design.
Smart, bidet, and non-electric choices
Smart options in this guide include integrated bidets, heated seats, auto open/close lids, automatic flushing, and night lights. Non-electric options such as the Los Flexi tankless one-piece avoid powered controls entirely. If you choose a smart model, check the listing for power and installation details, because several smart picks in this guide do not state them.
Questions
What is a 12-inch rough-in toilet?
A 12-inch rough-in describes the distance from the finished wall behind the toilet to the center of the floor flange or closet bolts. It determines how close the toilet sits to the wall. All 15 picks in this guide are listed with a 12-inch rough-in, which is the common residential size. Measure the same distance in your bathroom to confirm the drain alignment.
How do I measure the rough-in on my existing toilet?
With the toilet removed, measure from the finished wall to the center line of the floor flange. In practice, measure from the wall to the center of the closet bolts. If the number is about 12 inches, the models on this page are built for that spacing. If it is closer to 10 or 14 inches, a 12-inch rough-in toilet may not line up without moving the flange.
What does GPF mean and why does it matter?
GPF stands for gallons per flush, the amount of water the toilet uses per flush. EPA sets the current federal maximum for toilets at 1.6 gallons per flush. WaterSense labeled toilets are certified to use 1.28 gallons per flush or less while meeting performance requirements. Dual-flush models, such as the DeerValley Compact at 0.8/1.28 GPF, use a reduced amount for liquid waste and a full amount for solid waste.
What is the difference between one-piece and two-piece toilets?
A one-piece toilet has the tank and bowl formed in one body. A two-piece toilet has a separate tank mounted on the bowl. Both appear in this guide. One-piece models have fewer exterior seams between tank and bowl, while two-piece models can be carried and installed in two parts. The choice mostly comes down to installation preference and the look you want.
What does ADA or chair height mean on a toilet listing?
ADA and chair height are maker labels for toilets with a higher seat than standard-height models. Several picks in this guide state seat heights from 17 to 21 inches. The ADA Standards are legal accessibility standards that apply to certain public and commercial facilities. For a home, the most important factor is choosing a height that is comfortable for the people who will use the toilet.
Revision notes
- : First published.