
American Standard H2Option Review (2026)
Toilet ReviewsThe American Standard H2Option is the brand's flagship dual-flush toilet, the model built for households that want to cut water use without…
Read the guideWe ranked the strongest-flushing toilets of 2026 using independent MaP flush-test scores, EPA WaterSense ratings, trapway design and aggregated owner reviews, so you can match real flush power to your budget and bathroom instead of guessing from marketing claims.
Research updated June 2026.
The best flushing toilet of 2026 is the TOTO Drake II. It is the rare model that earns a perfect 1000 g MaP flush at just 1.28 GPF, pairing a dual-nozzle Tornado rinse with a glazed CeFiONtect trapway so it clears heavy waste in one pass and resists clogs for years. The American Standard Cadet 3 matches that 1000 g flush for far less.
Flush power is the one thing every toilet promises and very few prove. The good news is that it is also measurable. The independent MaP (Maximum Performance) test loads a real toilet with weighted media and records how many grams of solid waste it clears in a single flush, then publishes the result. That single number, scored in grams, is the most honest way to compare flushing strength across brands, and it is the backbone of this ranking. Layered on top of it are the EPA WaterSense certification (which proves a toilet flushes well at 1.28 gallons or less), trapway width and glaze, and the pattern of aggregated owner reviews across major retailers.
This is the pillar guide to the best flushing toilets on the site, and every pick below clears the bar that matters: 800 g MaP or higher at 1.28 GPF, the level where double-flushing effectively stops. We ranked 10 models from the strongest, most clog-proof flush down to the best budget workhorse, with the data and honest trade-offs that decide whether each one belongs in your bathroom. Brands covered include TOTO, Kohler, American Standard, Woodbridge, Swiss Madison and Gerber.
Ten models ranked by flush power and value. MaP is the single-flush waste-clearing score in grams (higher is stronger). GPF is gallons per flush (lower saves water). Every model except the Champion 4 is WaterSense rated at 1.28 GPF or lower.
| Toilet | Best For | MaP | GPF | Height | Rating | Check Price |
|---|---|---|---|---|---|---|
| TOTO Drake II | Best overall flush | 1000 g | 1.28 | Comfort | 4.7 | Check price |
| American Standard Cadet 3 | Best value flush | 1000 g | 1.28 | Right Height | 4.6 | Check price |
| Kohler Cimarron | Best canister flush | 1000 g | 1.28 | Comfort | 4.6 | Check price |
| American Standard Champion 4 | Best for bulk waste | 1000 g | 1.6 | Right Height | 4.5 | Check price |
| TOTO Drake | Best workhorse | 1000 g | 1.28 | Comfort | 4.7 | Check price |
| TOTO UltraMax II | Best one-piece flush | 800 g | 1.28 | Comfort | 4.7 | Check price |
| Kohler Highline | Best Kohler value | 800 g | 1.28 | Comfort | 4.5 | Check price |
| Woodbridge T-0019 | Best modern design | 800 g | 1.28 | Comfort | 4.5 | Check price |
| Gerber Viper | Best budget flush | 1000 g | 1.28 | Comfort | 4.4 | Check price |
| Swiss Madison St. Tropez | Best compact flush | 600 g | 0.8/1.28 | Comfort | 4.4 | Check price |
Each pick is matched to the buyer it suits best, with the flush data, water rating and honest trade-offs that decide whether it earns a place in your bathroom.

The Drake II is the flush to beat in 2026 because it is the only widely sold gravity toilet that earns a perfect 1000 g MaP score while sipping just 1.28 gallons per flush.
The Tornado flush feeds water through dual nozzles that spin it around the bowl rather than dumping it from a single rim hole. That swirl clears waste in one pass and rinses the entire bowl evenly, which is how a 1.28 GPF toilet reaches the top 1000 g MaP tier instead of leaving streaks behind.
The trapway is sealed with TOTO's CeFiONtect ceramic glaze, an ultra-smooth surface that resists the staining and buildup that turn older toilets into a cleaning chore. Owners across major retailers consistently report years of clog-free use, and because the Drake line is so common, any plumber can service it. The seat is the one catch, as it ships separately on most listings.
If you want one toilet you never have to think about again, the Drake II is the default answer. It is the rare model that combines a perfect MaP score, a fully glazed trapway and truly universal parts, which is why it appears in more plumbers' trucks than almost anything else. Buy the elongated comfort-height version and add a soft-close seat.

The Cadet 3 delivers the same 1000 g MaP flush as toilets that cost noticeably more, which is exactly why plumbers reach for it when a household needs something powerful and dependable.
The oversized 3-inch flush valve is the secret. It empties the tank faster than a standard 2-inch valve, so water hits the bowl with more force and pushes heavy loads through in one flush. That speed is how a 1.28 GPF toilet reaches the top 1000 g MaP tier without using more water.
American Standard coats the bowl with its EverClean antimicrobial glaze, which slows the stain and odor-causing organisms that build up between cleanings. The fully glazed 2-1/8-inch trapway shrugs off the larger loads that come with kids and frequent guests, making it a natural fit for a toilet that handles maximum bulk flushing.
The Cadet 3 is the value benchmark every other flush gets measured against. You are getting the same 1000 g flush as the Drake II for less money, plus a longer warranty. The trade-off is plainer styling and a slightly less even bowl rinse, but for a busy household that just needs to clear waste reliably, it is the smartest dollar-for-dollar flush of 2026.

The Cimarron earns the top 1000 g MaP flush using Kohler's AquaPiston canister valve, which opens a wide 360-degree path so the whole tank dumps at once for a fast, complete clear.
Where most toilets use a flapper that lifts from one side, the AquaPiston canister opens from the center and releases water around the full 360 degrees of the valve. That feeds the rim evenly, so the Cimarron rinses the bowl cleanly and reaches the same 1000 g MaP ceiling as the Drake II and Cadet 3.
The canister also has fewer wear points than a flapper, so it tends to hold a seal longer before it needs service. Owners report a strong, quiet flush and easy parts availability at any home center. It is the toilet to choose if you prefer the Kohler ecosystem but still want a flush at the top of the MaP chart.
The Cimarron is the answer for buyers loyal to Kohler who refuse to give up flush power. The canister valve is genuinely better engineering than a standard flapper, giving an even rinse and a longer seal life. It matches the best 1.28 GPF flushes on the market, so the choice between it and the Drake II usually comes down to styling and which brand your local plumber stocks.

The Champion 4 is the brute-force pick, built around a 4-inch flush valve and a 2-3/8-inch fully glazed trapway that swallow loads other toilets choke on.
The trapway is the widest on this list, large enough to pass a golf ball, and the oversized 4-inch valve dumps the full 1.6 gallons in a fast surge. That combination is why the Champion 4 is the model people buy after years of fighting a weak toilet. It is built to never clog rather than to save water.
The trade-off is right there in the spec sheet: at 1.6 GPF it uses more water than the 1.28 GPF picks, so it is not WaterSense rated. If your priority is ending clogs in a hard-working bathroom, that is a fair exchange, and the 10-year warranty signals how confident American Standard is in the parts. For pure bulk-clearing it is one of the best clog-free picks you can install.
The Champion 4 is the toilet to buy when nothing else has stopped the clogs. Its 4-inch valve and wide glazed trapway are overkill for a powder room but exactly right for a heavily used main bathroom or a home with older drain lines. Just go in knowing it trades the 1.28 GPF water savings for raw flushing muscle, and that it flushes louder than the gravity picks.

The original Drake is the proven workhorse behind the Drake II, using TOTO's G-Max gravity flush to reach a 1000 g MaP score at a more accessible price.
The G-Max flush valve is a 3-inch wide-path design that releases water fast, and paired with the 2-1/8-inch computer-designed trapway it clears a full 1000 g of waste in one flush. The Drake has been a fixture in restaurants, offices and busy homes for decades precisely because the flush rarely needs a second pull.
Compared with the Drake II, you give up the dual-nozzle Tornado rinse and the skirted styling, but you keep the same top MaP score and the same universal parts. For anyone who cares about flush power and longevity over looks, it is one of the most cost-effective ways to get a genuine top-tier flush. Owners routinely report a decade or more of trouble-free service.
The Drake is what I recommend when someone wants TOTO reliability without paying for the Drake II's extras. The G-Max valve and wide trapway have a multi-decade track record in commercial settings, which tells you everything about durability. You lose a little rinse evenness and the skirted look, but the flush itself sits at the very top of the MaP chart.

The UltraMax II is the one-piece flush to buy, pairing the Drake family's Tornado rinse with a seamless molded body that removes the seam and gasket where grime collects and leaks start.
The Tornado flush carries over from the Drake line, swirling water through dual nozzles for an even rinse and a strong 800 g MaP clear. That is a notch below the 1000 g leaders but still well above the level where double-flushing happens, so for a typical home it flushes more than hard enough.
The real win is the one-piece body. With no tank-to-bowl seam there is no gasket to leak and no crevice to trap grime, so it is the fastest toilet here to keep clean, a point owners raise again and again. The CeFiONtect glaze on the bowl reinforces that easy-clean reputation. The trade-off is weight, since a one-piece is awkward to set without a second person.
The UltraMax II is the pick when easy cleaning matters as much as flush power. You give up the last 200 g of MaP versus the Drake II, but you gain a seamless body that is far simpler to wipe down and has no gasket to fail. For a modern, low-maintenance bathroom that still flushes strongly, it is the one-piece I point people to first.

The Highline is Kohler's value workhorse, a no-frills two-piece that uses the Class Five flush system to push a solid 800 g MaP clear at 1.28 GPF.
The Class Five system uses a larger flush valve and an angled rim feed to move more water faster, giving the Highline a flush stronger than its modest price suggests. The 800 g MaP score clears normal household waste without complaint, and the design has been refined over many model years.
What makes the Highline a smart buy is ubiquity. It is stocked at every home center, parts are everywhere, and the simple two-piece design installs in minutes. It will not win a flush contest against the 1000 g leaders, but as a reliable, affordable replacement that just works, it is one of the easiest recommendations to make.
The Highline is the toilet I suggest when someone wants a trustworthy brand at the lowest sensible price. It is not exciting, and it sits below the 1000 g leaders on flush power, but the Class Five system is genuinely strong for the money and parts are everywhere. For a rental, a second bathroom, or a quick like-for-like swap, it is hard to go wrong.

The Woodbridge T-0019 wraps a strong 800 g dual-nozzle siphon flush in a sleek skirted one-piece body that hides the trapway for a clean, modern look.
The dual-nozzle siphon jet swirls water around the bowl much like a TOTO Tornado flush, clearing an 800 g MaP load and rinsing evenly. The skirted, fully concealed trapway is the headline feature: there are no nooks behind the bowl to collect dust, so it wipes clean in seconds and looks like a fixture costing far more.
Woodbridge includes a soft-close seat in the box, which adds real value, and backs the toilet with a 5-year warranty. The catch is that it is an online-first brand, so replacement parts come from the manufacturer rather than a local plumber's shelf. For a stylish bathroom on a sensible budget, it remains one of the best-looking strong-flushing toilets available.
The T-0019 is the pick for buyers who want the designer skirted look without paying premium-brand prices. The flush is genuinely strong at 800 g and the included soft-close seat sweetens the deal. The one thing to plan for is parts sourcing, since you order from Woodbridge rather than grabbing a flapper at the hardware store. For most homes that is a minor trade for the styling.

The Gerber Viper is the budget champion, a commercial-grade two-piece that quietly reaches the top 1000 g MaP flush at 1.28 GPF for one of the lowest prices here.
Gerber built its reputation on commercial plumbing, and the Viper carries that DNA. Its siphon jet bowl and 2-1/8-inch trapway clear a full 1000 g of waste, the same top tier as toilets costing several times more. For the money, no other model on this list matches its raw flush-to-price ratio.
What you give up is finish and styling. The Viper skips premium glaze coatings and the smooth skirted look, so the bowl needs slightly more frequent cleaning and it reads as utilitarian rather than upscale. That makes it the ideal pick for rentals, basements and busy secondary bathrooms where flush power matters far more than appearance, and it is a smart quiet-gravity alternative to the best pressure assisted toilets for powerful flushing.
The Viper is the value sleeper of this list. It reaches the same 1000 g flush as the Drake II for a fraction of the cost, which is why landlords and remodelers buy it by the pallet. You sacrifice glaze and looks, not flush power, so put it where performance and budget matter and save the premium models for the main bath.

The Swiss Madison St. Tropez packs a respectable 600 g dual-flush into a compact, skirted one-piece, making it the pick when space and modern looks matter more than a record flush score.
The dual-flush button offers a light 0.8 GPF rinse for liquid waste and a 1.28 GPF full flush, so day-to-day water use drops below every single-flush pick here. The 600 g MaP score is the lowest on this list, which is fine for a low-traffic powder room but means it is not the pick for a busy main bathroom.
Where it shines is fit and finish. The compact skirted body tucks into tight spaces and wipes clean easily, giving a small or modern bathroom an upscale look for a modest price. Treat it as a styling-and-space choice rather than a flush-power choice, and it is a strong fit for the right room. If raw power is the priority instead, see our picks for the strongest flushing toilets of 2026 with the highest MaP scores.
The St. Tropez is the right call for a small or stylish bathroom that does not see heavy traffic. The dual-flush saves real water and the compact skirted body looks great, but the 600 g flush is the weakest here, so I would not put it in a high-use family bathroom. Match it to a powder room or a guest bath and it earns its place.
Across all 10 picks the pattern is clear: the toilets worth buying for flush power in 2026 hit 800 g or higher on MaP, and the strongest reach the 1000 g ceiling. If you want the single best flush, the Drake II wins. If budget leads, the Cadet 3, Drake and Gerber Viper deliver the same 1000 g flush for less. The Champion 4 is the answer for chronic clogs, while everything else here matches a specific need like a seamless one-piece, a modern skirted look, or a compact dual-flush.
The strongest flush in 2026 comes from toilets that earn the top 1000 g MaP score, the highest tier the independent Maximum Performance test awards. The TOTO Drake II, TOTO Drake, American Standard Cadet 3, Kohler Cimarron and Gerber Viper all reach 1000 g at 1.28 GPF, meaning they clear up to 1000 grams of solid waste in a single flush. For maximum bulk-clearing the American Standard Champion 4 adds the widest trapway here.
The best clog-resistant toilet combines a high MaP score with a wide, fully glazed trapway. The American Standard Champion 4 leads for chronic clogs thanks to its 2-3/8-inch trapway and 4-inch valve, while the TOTO Drake II and Cadet 3 pair a 1000 g flush with a 2-1/8-inch glazed trapway. A smooth glazed trapway matters as much as raw flush power, since it resists the buildup that causes repeat clogs.
The Gerber Viper offers the best flush-for-the-money, reaching the top 1000 g MaP score at 1.28 GPF for one of the lowest prices here, plus a 5-year warranty. The American Standard Cadet 3 is close behind, matching that 1000 g flush with EverClean glaze for a mid-tier price. Both prove you do not need to pay flagship prices to get flagship flush power.
A MaP score of 800 grams is strong for a typical home, and 1000 grams is the highest tier the test awards. Scores around 600 grams are acceptable for a low-traffic powder room but are not ideal for a busy main bathroom. The MaP test independently measures how many grams of solid waste a toilet clears in one flush, so a higher score means fewer clogs and less double-flushing.
Yes. Modern 1.28 GPF WaterSense toilets use larger flush valves and engineered trapways to move waste with less water. Several picks here, including the Drake II, Cadet 3, Cimarron and Gerber Viper, reach the top 1000 g MaP score at just 1.28 GPF. There is no need to choose an older high-volume toilet to get a powerful flush.
Five specs decide whether a toilet flushes powerfully for a decade or becomes a recurring plunger problem. Match these to your bathroom and you can shop with confidence.
The MaP test is the single most useful number for comparing flush power. It measures how many grams of solid waste a toilet clears in one flush and is run independently of manufacturers. A score of 600 g is workable for light use, 800 g is strong, and 1000 g is the top tier. For a busy household aim for 800 g or higher. The Drake II, Drake, Cadet 3, Cimarron, Champion 4 and Gerber Viper all hit the 1000 g ceiling, which is why they sit near the top of this list.
WaterSense is the EPA program that certifies toilets using 1.28 gallons per flush or less while still passing performance standards. Almost every pick in this guide is WaterSense rated; the lone exception is the 1.6 GPF Champion 4, which trades efficiency for raw clog-clearing muscle. In many states a WaterSense toilet is now required for new installs, and even where it is not, the water savings add up quickly across a year of daily flushes. If your home still has older 3.5 GPF toilets, switching to a 1.28 GPF model is one of the easiest ways to cut water use.
Flush power comes from two things: how fast water leaves the tank and how cleanly it passes the trapway. A 3-inch or 4-inch flush valve empties faster than a standard 2-inch valve, hitting the bowl with more force, which is why the Cadet 3, Cimarron and Champion 4 flush so hard. A wider, fully glazed trapway then carries that waste away without snagging. Toilets with glazed trapways like TOTO CeFiONtect and American Standard EverClean resist buildup and clean up faster between uses.
Gravity siphon flushes are the most common and the quietest, and they cover most picks here. TOTO's Tornado and double-cyclone nozzles and Kohler's canister valve improve bowl rinse coverage on top of gravity. Pressure-assisted toilets flush harder and louder and suit homes with chronic clogs, while dual-flush models like the Swiss Madison add a light button to save water. For most homes a strong gravity siphon at 1.28 GPF is the sweet spot for power and quiet.
Elongated bowls are more comfortable for most adults and are standard on nearly every pick here, though a round bowl can save a few inches in a very tight bathroom. Comfort height places the seat around 16 to 19 inches off the floor, easier on the knees and back. Before buying, measure your rough-in, the distance from the finished wall to the center of the floor bolts. The standard is 12 inches, but 10-inch and 14-inch rough-ins exist and the wrong size will not fit.
If you only remember one rule, make it this: shop the MaP score and the rough-in first, everything else second. A toilet with an 800 g or higher MaP score and the correct rough-in for your bathroom will flush well and fit regardless of brand. Once those two boxes are checked, choose between one-piece versus two-piece and styling based on preference. Do not overpay for features that do not change how the toilet flushes or fits.
For most bathrooms the TOTO Drake II is the best flushing toilet of 2026. It earns a perfect 1000 g MaP flush at 1.28 GPF using a dual-nozzle Tornado rinse, and has a fully glazed CeFiONtect trapway with universal parts. The American Standard Cadet 3 and Gerber Viper match that 1000 g flush for less money.
Aim for at least 800 g for a typical home and 1000 g if your household sees heavy use. The MaP test measures grams of solid waste cleared in one flush, so a higher number means fewer clogs and less double-flushing. Scores near 600 g are fine for a low-traffic powder room only.
For raw bulk-clearing power the American Standard Champion 4 flushes hardest, using a 4-inch valve and a 2-3/8-inch trapway at 1.6 GPF. Among efficient 1.28 GPF models, the TOTO Drake II, Drake, Cadet 3, Cimarron and Gerber Viper all reach the top 1000 g MaP score. The Champion 4 trades water savings for the most muscle.
Yes. Modern 1.28 GPF WaterSense toilets use larger flush valves and engineered trapways to move waste with less water. Several picks here reach the top 1000 g MaP score at 1.28 GPF, so you get strong flushing and lower water use together. There is no need to choose an older high-volume toilet for power.
Flush strength comes from the flush valve size and the trapway design. A 3-inch or 4-inch valve empties the tank faster than a standard 2-inch valve, hitting the bowl with more force, while a wide glazed trapway carries waste away without snagging. Together these, not the gallons used, decide how strong a toilet flushes.
Both reach the top of the MaP chart. TOTO leads on trapway glaze and the dual-nozzle Tornado rinse, with the Drake II hitting a perfect 1000 g. Kohler counters with the AquaPiston canister in the Cimarron, which also reaches 1000 g and rinses the bowl evenly. The choice often comes down to local parts availability and brand preference.
WaterSense is the EPA program that certifies toilets using 1.28 GPF or less while still passing flush performance standards. A WaterSense label guarantees the toilet saves water without sacrificing function, and in many states it is now required for new installations. Every pick here except the 1.6 GPF Champion 4 is WaterSense rated.
Choose a one-piece like the UltraMax II if easy cleaning matters most, since there is no seam or gasket to trap grime or leak later. Choose a two-piece like the Drake II or Cadet 3 if value and serviceability come first, as it is lighter, cheaper and lets you replace just the tank or bowl. Both flush the same when specs match.
The Gerber Viper is the best budget pick because it reaches the top 1000 g MaP flush at 1.28 GPF for a low price, plus a 5-year warranty. It skips premium glaze and skirted styling, which makes it ideal for rentals, basements and secondary bathrooms rather than showcase main baths.
For chronic clogs the American Standard Champion 4 is the strongest choice, with the widest trapway here and a 4-inch flush valve that passes loads other toilets choke on. Among 1.28 GPF models, the Cadet 3 and Drake II pair a 1000 g flush with a wide glazed trapway. A wide glazed trapway is the key clog-fighting feature.
The full flush on a dual-flush toilet is usually comparable to a single-flush model, while the light button uses less water for liquid waste only. The Swiss Madison St. Tropez here scores 600 g, which suits a powder room more than a busy main bath. If maximum flush power is the goal, a single-flush 1000 g model is the safer pick.
Comfort height, also called chair height, places the seat around 16 to 19 inches off the floor, compared with about 15 inches on a standard toilet. The taller seat is easier on the knees and back and is recommended for older adults and taller users. Nearly every pick in this guide is comfort height.
Measure your rough-in, the distance from the finished wall to the center of the floor bolts. The standard is 12 inches, but 10-inch and 14-inch rough-ins exist, so confirm yours before buying. Also check clearance in front of and beside the bowl, and choose elongated for comfort or round to save space.
Generally yes. A larger flush valve, such as the 3-inch valve on the Cadet 3 or the 4-inch valve on the Champion 4, releases water faster so it hits the bowl with more force and clears waste in one pass. It must be paired with a well-designed trapway, but a wide valve is one of the clearest signs of a powerful flush.
In hard-water areas, a fully glazed trapway and bowl surface resist mineral buildup best, so toilets with CeFiONtect (TOTO) or EverClean (American Standard) coatings have an edge. The TOTO Drake II and American Standard Cadet 3 both qualify. Regular cleaning and a water softener further reduce scale on any toilet.
A quality toilet bowl and tank can last 20 to 30 years or more, since the ceramic itself rarely fails. The wearing parts are the flush valve, flapper or canister seal and the fill valve, which are inexpensive and easy to replace. Buying a brand with universal parts, like TOTO or Kohler, keeps long-term service simple.
Pressure-assisted toilets use compressed air to deliver a forceful flush that clears bulk well, but they are noticeably louder and harder to service. A top gravity model like the Drake II reaches the same 1000 g MaP score while running quietly, so for most homes a strong gravity flush is the better balance of power and noise.
TOTO, Kohler and American Standard have the strongest long-term reliability records and the widest parts availability, which is why they dominate the top of this list. Woodbridge, Swiss Madison and Gerber offer strong value, with Gerber especially trusted as a commercial-grade workhorse. For peace of mind, prioritize brands with universal replacement parts.
It varies. One-piece models like the Woodbridge T-0019 often include a soft-close seat, while many two-piece toilets, including the TOTO Drake II and the Drake, sell the seat separately. Always check the listing so you can budget for a matching seat if one is not included.
The TOTO Drake II is the best flushing toilet of 2026 for most bathrooms, combining a perfect 1000 g MaP flush, a dual-nozzle Tornado rinse and a glazed CeFiONtect trapway that keeps it powerful and clog-free for decades. To save money without losing flush power, the American Standard Cadet 3 and Gerber Viper also hit 1000 g, the Champion 4 is the answer for chronic clogs, the UltraMax II is the cleanest one-piece, and the Swiss Madison St. Tropez fits compact, stylish baths. Match the rough-in to your bathroom, confirm WaterSense, and check the current price on Amazon before you order.

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