We earn a commission from qualifying purchases at no extra cost to you. This never influences our rankings.
Independent rankings, no fluff

Best American Standard Toilets of 2026

American Standard is the brand plumbers reach for when a household needs raw flushing muscle without a premium price, and the Champion 4 built that reputation by ending repeat clogs. We ranked the strongest American Standard toilets of 2026 by comparing independent MaP flush-test scores, flush-valve and trapway engineering, EPA WaterSense data, published specifications and the recurring themes across thousands of aggregated owner reviews, so you can match the right model to your bathroom.

Why Trust Best Flushing Toilets

  • Flushing power and MaP flush-test scores
  • Water efficiency (GPF and EPA WaterSense)
  • Aggregated owner reviews
  • Clog resistance and trapway design
  • Brand reliability and warranty

Research updated June 2026.

Quick Answer

The best American Standard toilet is the Champion 4. Its oversized four-inch flush valve and extra-wide, fully glazed trapway move more water faster than any mainstream gravity toilet, earning a perfect 1000 gram MaP score so it clears the heaviest loads in a single flush. For the same clog resistance at an efficient 1.28 gallons, the Cadet 3 FloWise is the WaterSense-certified value pick.

American Standard has been making toilets in the United States for more than a century, and its name has come to mean dependable plumbing at a price most households can justify. The brand does not chase the premium glaze and design flourishes that TOTO and Kohler compete on. Instead it focuses on the part that matters most when a toilet fails you: moving waste out of the bowl in one flush. The Champion 4 became a plumber recommendation precisely because it solved the chronic-clog problem that drives people to replace a toilet in the first place.

We do not install these toilets and flush them ourselves, and we will not pretend we do. Instead we compare American Standard's published specifications, independent MaP (Maximum Performance) flush-test scores, EPA WaterSense certification and the patterns across thousands of verified owner reviews. For this brand ranking we weighted four things above all else: the MaP gram score, which measures how much solid waste a toilet clears in one flush; the flush-valve diameter, since a three or four-inch valve dumps water far faster than the old two-inch valve; the trapway width and glazing, which decide whether bulk passes or jams; and the consistency of owner reports about clogs, double flushing and long-term reliability. If you want the broadest cross-brand ranking, see our pillar guide to the best flushing toilets.

American Standard's edge is power per dollar, not premium glaze. Where TOTO leans on its CeFiONtect coating and Kohler on broad styling, American Standard concentrates its engineering budget on the flush valve and trapway. The four-inch valve on the Champion 4 is the widest in the mainstream market, and the brand's EverClean antimicrobial surface and PowerWash rim are aimed at clean clearing rather than showroom looks. If your priority is a toilet that simply never clogs at a fair price, this is the right brand to shop.

How we research and rank American Standard toilets

Every pick here had to prove it can clear a real load without a second flush. We required a strong MaP score, with our leading picks at the practical 1000 gram ceiling and none below 600 grams. We favored larger flush valves of three inches or more, since valve diameter governs how fast the tank empties and how strong the initial surge is. We looked hard at trapway design, preferring wide, fully glazed trapways that pass bulk and resist the buildup that narrows a passage over time. We weighted independent MaP data, EPA WaterSense status and aggregated owner reports about real-world clogs over any marketing language, and we do not accept payment for placement.

ToiletBest ForMaPGPFRatingCheck Price
American Standard Champion 4Maximum bulk flushing1000 g1.64.6Check price
American Standard Cadet 3 FloWiseBest value, WaterSense1000 g1.284.6Check price
American Standard Champion 4 MaxStrong flush at 1.28 GPF1000 g1.284.5Check price
American Standard Cadet 3Everyday workhorse1000 g1.284.5Check price
American Standard H2OptionBest dual flush1000 g0.92 / 1.284.4Check price
American Standard VorMax PlusCleanest bowl, self-cleaning1000 g1.284.4Check price
American Standard Studio SModern skirted one-piece600 g1.284.3Check price
American Standard ColonyLowest-cost reliable pick800 g1.284.3Check price

The 8 best American Standard toilets of 2026, reviewed

American Standard Champion 4 toilet
1
Best Overall

American Standard Champion 4

4.6 Best for clog resistance

The Champion 4 is the American Standard we recommend first because it was engineered around the one problem that makes people replace a toilet: chronic clogs.

Flush TypeGravity, 4-inch flush valve
GPF1.6
MaP Score1000 g
Bowl HeightRight Height (comfort)
Warranty10-year limited
Best For
  • Households with a clog history
  • The largest, bulkiest single loads
  • Heavy daily traffic from many users
Not Ideal For
  • Strict 1.28 GPF water-conservation areas
  • Buyers focused only on lowest water use

The Champion 4 uses a four-inch flush valve, double the area of the older two-inch valve, so the tank empties in a fast, high-volume surge. That sudden flow drives bulk through an extra-wide, fully glazed trapway built to pass a mass of solids without snagging, and the wider passage means almost nothing gets stuck on the way out. The combination earns a perfect 1000 gram MaP score, the practical ceiling for a residential gravity toilet.

Owners with a history of toilet trouble repeatedly report that the Champion 4 simply stops the clogs, often calling it the first toilet they have never had to plunge. The tradeoff is its 1.6 GPF rating, which uses more water than the 1.28 picks and means it is not EPA WaterSense certified. For a clog-prone bathroom that extra water is usually a worthwhile trade for never needing a second flush, and the ten-year warranty backs the long-term reliability.

Expert Take

If repeat clogs are your real problem, buy the Champion 4 and stop researching. No mainstream gravity toilet moves bulk more aggressively, and the four-inch valve plus wide glazed trapway is the exact engineering that defeats stubborn clogs. Accept the 1.6 GPF water use as the price of a toilet you will likely never plunge again.

Check price on Amazon
Bottom Line: The most aggressive bulk-clearing toilet American Standard makes, with the widest valve and trapway, at the cost of higher water use.
American Standard Cadet 3 FloWise toilet
2
Best Value

American Standard Cadet 3 FloWise

4.6 Best efficient value pick

The Cadet 3 FloWise is the American Standard for anyone who wants near-Champion flushing power at the efficient 1.28 gallons, and it is the brand's most-recommended everyday model.

Flush TypeGravity, 3-inch flush valve
GPF1.28
MaP Score1000 g
Bowl HeightRight Height (comfort)
Warranty10-year limited (china)
Best For
  • Strong flush at a water-saving 1.28 GPF
  • EPA WaterSense rebate areas
  • Buyers wanting value plus reliability
Not Ideal For
  • The very heaviest extreme bulk loads
  • Buyers wanting a seamless one-piece look

The Cadet 3 pairs a wide three-inch flush valve with the brand's PowerWash rim, which scrubs the bowl as it flushes, and an EverClean antimicrobial surface that resists the mold and mildew that stain a bowl over time. That combination posts a top 1000 gram MaP score while using only 1.28 gallons, so it clears big loads and qualifies for EPA WaterSense, making it eligible for many local water-utility rebates.

Owners and plumbers rate the Cadet 3 among the most dependable mid-priced toilets on the market, and replacement flappers, fill valves and seats are stocked at any hardware store, so service is cheap and fast. For most households that want a strong flush, a clean bowl and a sensible water bill, the Cadet 3 FloWise is the smartest all-round American Standard.

Expert Take

The Cadet 3 FloWise is the American Standard I point most people to. Unless you have a genuinely extreme clog history that demands the Champion 4's four-inch valve, the Cadet 3 clears nearly as much bulk at 1.28 gallons, earns WaterSense certification, and keeps the bowl cleaner with EverClean. It is the value sweet spot of the lineup.

Check price on Amazon
Bottom Line: A 1000 gram flush at an efficient 1.28 gallons with a self-scrubbing rim, universal parts and WaterSense certification.
American Standard Champion 4 Max toilet
3
Champion Power, 1.28 GPF

American Standard Champion 4 Max

4.5 Best efficient Champion

The Champion 4 Max takes the Champion family's clog-busting reputation and tunes it to flush on the efficient 1.28 gallons, so you get the brand's signature power within strict water rules.

Flush TypeGravity, large flush valve
GPF1.28
MaP Score1000 g
Bowl HeightRight Height (comfort)
Warranty10-year limited (china)
Best For
  • Champion power within 1.28 GPF limits
  • WaterSense certification needs
  • Strong flush plus comfort height
Not Ideal For
  • The absolute most extreme bulk loads
  • Bargain-basement budgets

The Champion 4 Max keeps the wide trapway and forceful flush that made the Champion line a plumber favorite, but a redesigned valve and bowl let it reach the same 1000 gram MaP score on 1.28 gallons instead of 1.6. That makes it EPA WaterSense certified, so it clears big loads while meeting modern efficiency standards and qualifying for utility rebates the original Champion 4 cannot.

Owners choose it when they want the Champion name and its clog resistance but live where 1.28 GPF is required or simply want a lower water bill. The Right Height comfort bowl eases standing and sitting, and the EverClean surface keeps the bowl looking clean longer. It is the bridge between the brute-force Champion 4 and the value-focused Cadet 3.

Expert Take

Choose the Champion 4 Max when you want Champion-grade clog resistance but cannot live with 1.6 GPF, whether for local code or your water bill. It gives you a 1000 gram flush within the efficient limit, which for most clog-prone bathrooms is all the power you actually need.

Check price on Amazon
Bottom Line: Champion clog resistance and a 1000 gram MaP score delivered within an efficient, WaterSense-certified 1.28 gallons.
American Standard Cadet 3 toilet
4
Everyday Workhorse

American Standard Cadet 3

4.5 Best all-purpose pick

The Cadet 3 is American Standard's everyday workhorse, the model installed in countless homes because it flushes strongly, cleans easily and almost never needs attention.

Flush TypeGravity, 3-inch flush valve
GPF1.28
MaP Score1000 g
Bowl HeightStandard or Right Height
Warranty10-year limited (china)
Best For
  • Busy family and shared bathrooms
  • Buyers wanting proven reliability
  • Easy, low-cost servicing
Not Ideal For
  • Buyers wanting designer styling
  • Owners wanting a skirted trapway

The Cadet 3 shares the FloWise version's wide three-inch valve, PowerWash rim and EverClean surface, posting a 1000 gram MaP score at 1.28 gallons. It comes in both standard and Right Height versions and in round-front or elongated bowls, so it fits nearly any bathroom layout and budget while delivering a flush that simply works load after load.

Plumbers favor the Cadet 3 because it is durable, inexpensive to service and uses common parts, which makes it a frequent choice for rentals and whole-house installs. It is plain in looks with an exposed trapway, but for a dependable everyday flush at a fair price, it is one of the safest toilets you can buy.

Expert Take

The Cadet 3 is the toilet I recommend when someone wants to install one fixture and forget about it. Its 1000 gram flush, universal parts and broad size options make it the no-drama choice for a busy household, a rental, or any bathroom where reliability matters more than looks.

Check price on Amazon
Bottom Line: A reliable, easy-to-service 1000 gram workhorse available in every common size, ideal for any everyday bathroom.
American Standard H2Option dual flush toilet
5
Best Dual Flush

American Standard H2Option

4.4 Best water saving

The H2Option is American Standard's answer for buyers who want to cut water use without giving up a strong flush, pairing a dual-flush button with the brand's siphonic clearing power.

Flush TypeDual flush, siphonic
GPF0.92 / 1.28 dual
MaP Score1000 g
Bowl HeightRight Height (comfort)
Warranty10-year limited (china)
Best For
  • Maximum daily water savings
  • Strong flush plus efficiency
  • WaterSense rebate areas
Not Ideal For
  • Buyers wanting the simplest flapper repair
  • Owners who dislike a push-button valve

The H2Option lets you pick a light 0.92 gallon flush for liquid waste or a full 1.28 gallon flush for solids, and even the full flush posts a top 1000 gram MaP score with a siphonic action that pulls waste cleanly from the bowl. Over a year that split flushing adds up to real water savings, which is why the model earns EPA WaterSense certification and frequently qualifies for utility rebates.

The tradeoff is a dual-flush mechanism with more moving parts than a simple flapper, so a repair may mean replacing a specific button assembly rather than a generic part. For a household focused on cutting the water bill while keeping a genuinely strong flush, though, the H2Option is the brand's best efficiency play. Buyers cross-shopping dual-flush styling can also compare the best Swiss Madison toilets.

Expert Take

Pick the H2Option when water savings lead your list but you refuse to accept a weak flush to get them. The dual-flush split trims gallons every day, and the full flush still hits 1000 grams, so you save water on liquids without sacrificing clearing power on the loads that matter.

Check price on Amazon
Bottom Line: A dual-flush toilet that saves water on liquids while still delivering a 1000 gram flush on the full setting.
American Standard VorMax Plus toilet
6
Cleanest Bowl

American Standard VorMax Plus

4.4 Best self-cleaning bowl

The VorMax Plus is the American Standard for anyone tired of scrubbing, combining the brand's VorMax single-jet flush with a self-cleaning surface that releases a cleaning agent on every flush.

Flush TypeVorMax single-jet flush
GPF1.28
MaP Score1000 g
Bowl HeightRight Height (comfort)
Warranty10-year limited (china)
Best For
  • Owners who hate scrubbing the bowl
  • Strong flush plus a clean rinse
  • Rimless, easy-to-wipe design
Not Ideal For
  • Buyers wanting the lowest price
  • Owners avoiding any cleaning cartridge

The VorMax flush replaces the usual ring of small rim holes with a single powerful jet that sweeps the entire bowl, scrubbing the surface while clearing waste, which posts a 1000 gram MaP score at 1.28 gallons. The Plus version adds a CleanCurve rim and a cartridge that meters a cleaning agent into the bowl on each flush, so the surface stays fresh with far less manual scrubbing.

Owners consistently praise how clean the bowl stays between washes, and the rimless design leaves no hidden ledge where grime collects. The cost is a higher price than the Cadet 3 and a cleaning cartridge to replace over time, but for a bathroom where cleanliness and a strong flush both matter, the VorMax Plus delivers both in one fixture.

Expert Take

The VorMax Plus is for the buyer whose real complaint is the cleaning, not the flushing. Its single-jet sweep keeps the bowl visibly cleaner and the rimless design removes the grime ledge, so you scrub less while still getting a 1000 gram flush. Just budget for the cleaning cartridge as an ongoing cost.

Check price on Amazon
Bottom Line: A self-cleaning, rimless toilet that pairs a 1000 gram flush with a bowl that stays clean far longer between scrubs.
American Standard Studio S toilet
7
Best Modern Look

American Standard Studio S

4.3 Best skirted one-piece

For a renovated bathroom where appearance matters, the Studio S brings a sleek skirted one-piece body and dual-flush efficiency in American Standard's most contemporary design.

Flush TypeDual flush, VorMax
GPF0.92 / 1.28 dual
MaP Score600 g
Bowl HeightRight Height (comfort)
Warranty10-year limited (china)
Best For
  • Modern bathrooms and remodels
  • Easy-to-clean skirted design
  • Buyers wanting a seamless one-piece
Not Ideal For
  • The very heaviest bulk loads
  • Bargain budgets or rental fleets

The Studio S is a fully skirted one-piece, so the trapway hides behind a smooth side panel and the seamless body wipes clean in one pass. It pairs the VorMax flush with a concealed dual-flush trip lever for an uncluttered look, and the elongated comfort-height bowl suits a modern remodel where the fixture is on display.

Its 600 gram MaP score is solid for everyday use but sits below the Champion and Cadet picks, so it is best in a low to moderate traffic bathroom rather than the busiest family room. For a stylish, water-thrifty American Standard that looks the part of a renovation, though, it is the design leader of the lineup, and shoppers cross-shopping modern one-pieces can compare the best Woodbridge toilets.

Expert Take

Choose the Studio S when the bathroom is a showpiece and traffic is moderate. You get a seamless skirted body that cleans fast and a dual-flush design that saves water, just do not put it in the household's hardest-working bathroom where the Champion or Cadet would clear bulk more reliably.

Check price on Amazon
Bottom Line: A modern skirted one-piece with dual-flush efficiency, ideal for remodels where looks lead and traffic is moderate.
American Standard Colony toilet
8
Lowest Cost

American Standard Colony

4.3 Best budget pick

The Colony is American Standard's entry point, the model to buy when you want the brand's dependable flushing at the lowest price for a rental, a guest bath or a budget remodel.

Flush TypeGravity, 3-inch flush valve
GPF1.28
MaP Score800 g
Bowl HeightStandard or Right Height
Warranty5-year limited (china)
Best For
  • Rentals and budget remodels
  • Guest and secondary bathrooms
  • No-frills reliable flush
Not Ideal For
  • The heaviest bulk loads
  • Buyers wanting premium features

The Colony uses a wide three-inch flush valve to post an 800 gram MaP score at 1.28 gallons, which is genuinely strong for an entry toilet and enough to clear normal household loads cleanly. It comes in standard and Right Height versions, so even at the bottom of the range you can get a comfort-height bowl for older or taller users.

The feature set is deliberately basic, with a simpler glaze and no self-cleaning rim, but it carries American Standard's engineering discipline and uses common parts, so it installs and services easily. For a landlord outfitting several units or a buyer who wants a trusted name on a tight budget, the Colony is the smart-money choice.

Expert Take

The Colony is the American Standard I reach for when budget rules the decision, such as a rental fleet or a secondary bathroom. Its 800 gram flush handles ordinary loads, the parts are universal, and you get the brand's reliability without paying for features a low-traffic bathroom will never use.

Check price on Amazon
Bottom Line: The lowest-cost dependable American Standard, with a solid 800 gram flush and universal parts for rentals and budget jobs.
Expert Take

If I had to cover almost every American Standard buyer with two toilets, I would keep the Champion 4 for the most clog-prone and heavy-use bathrooms and the Cadet 3 FloWise for everywhere else, where a 1000 gram flush at an efficient 1.28 gallons is plenty. That pairing handles the toughest loads while keeping water use sensible, and it sidesteps paying for self-cleaning or dual-flush features unless you specifically want them.

Which American Standard Toilet Has the Strongest Flush?

The American Standard Champion 4 has the strongest flush in the lineup. Its oversized four-inch flush valve and extra-wide, fully glazed trapway move more water faster than any other mainstream gravity toilet, earning a perfect 1000 gram MaP score so it clears the heaviest loads in one flush. The tradeoff is a 1.6 GPF rating, so it uses more water than the 1.28 GPF models.

Flush strength comes down to how fast the tank dumps and how wide the passage is, and the Champion 4 maximizes both. Several other American Standard models, including the Cadet 3 and Champion 4 Max, also reach the top 1000 gram MaP score at the efficient 1.28 gallons, so you can get near-Champion power while saving water if you do not need the four-inch valve.

Which American Standard Toilet Is Best for Preventing Clogs?

The Champion 4 is the best American Standard toilet for preventing clogs. Its four-inch flush valve creates a fast, forceful surge and its extra-wide, fully glazed trapway lets bulk pass without snagging, which is why owners with a clog history report it stops the problem. For clog resistance at 1.28 gallons, the Cadet 3 FloWise and Champion 4 Max are the efficient alternatives.

Most clogs happen at the trapway, so a wider, glazed passage paired with a strong initial surge is the real fix. The Champion 4 leads because it has the widest valve and trapway American Standard makes, but any of the brand's 1000 gram MaP models will handle normal household loads without a second flush.

Which American Standard Toilet Offers the Best Value?

The Cadet 3 FloWise offers the best value among American Standard toilets. It posts a top 1000 gram MaP score at an efficient 1.28 gallons, adds a self-scrubbing PowerWash rim and EverClean surface, and earns EPA WaterSense certification, all at a mid-range price with universal, inexpensive parts. That combination delivers near-flagship power and easy cleaning without paying for premium extras.

Value means strength and reliability per dollar, not the cheapest sticker. The Cadet 3 FloWise avoids the higher water use of the Champion 4 and the higher price of the VorMax Plus while still clearing big loads, which is exactly why plumbers install it so often. If you want the lowest price instead, the Colony is the budget pick.

What Is a Good MaP Score for an American Standard Toilet?

A good MaP score is 800 grams or higher, and 1000 grams is the practical maximum and the safest choice. The MaP (Maximum Performance) test measures how many grams of solid waste a toilet clears in a single flush, so a higher score directly means fewer clogs and fewer second flushes. Most American Standard flagship models, including the Champion 4, Cadet 3 and H2Option, hit the full 1000 grams.

For a busy or clog-prone bathroom, do not settle below the top of the range. American Standard's leading models all rate 1000 grams on the independent MaP test, which is as high as the test goes. Pair that score with a wide flush valve and a fully glazed trapway, since two toilets at the same MaP can still differ in how aggressively they move bulk.

How to choose the right American Standard toilet

American Standard makes a strong toilet at nearly every position, so choosing well is less about avoiding a bad model and more about matching the right one to your bathroom and habits. Four decisions do most of the work: how much flushing power you need, whether water efficiency or raw force leads, which extra features earn their cost, and what size and height fit your space and users.

Start with the flush system and MaP score

The name on the box tells you what to expect. The Champion family centers on a wide valve and trapway for maximum clog resistance, the Cadet 3 uses a PowerWash rim for a strong, self-scrubbing flush, the VorMax line replaces rim holes with a single sweeping jet, and the H2Option adds dual-flush water savings. For any busy bathroom, target the full 1000 gram MaP score; for a low-traffic powder room, the 600 to 800 gram Studio S or Colony is enough.

Decide between maximum power and water efficiency

The original Champion 4 trades extra water at 1.6 GPF for the most aggressive gravity flush, while the Champion 4 Max, Cadet 3 and H2Option deliver strong flushes within the efficient, WaterSense-certified 1.28 gallons. If your area requires 1.28 GPF or you want utility rebates, choose one of the efficient models. Only step up to the 1.6 GPF Champion 4 when a documented clog history justifies the extra water.

Check your rough-in before you buy. The rough-in is the distance from the finished wall to the center of the floor bolts, and most homes are 12 inches, though 10 and 14 inch versions exist for some American Standard models. Ordering the wrong size is the most common avoidable mistake in toilet shopping, so measure first. While you are at it, choose Right Height for easier standing and sitting, or standard height to save a little space.

Weigh the extra features against their cost

American Standard's premium touches each solve a specific complaint. EverClean resists bowl staining, PowerWash scrubs the bowl as it flushes, VorMax sweeps the bowl with a single jet, and the VorMax Plus cleaning cartridge meters in a cleaning agent on every flush. Decide which complaint you actually have. If your problem is clogs, spend on the Champion's valve and trapway; if it is scrubbing, the VorMax Plus pays off; if it is the water bill, the H2Option dual flush leads.

Expert Take

The mistake I see most often is buying on brand reputation alone and ignoring which model fits the bathroom. For American Standard, the order of priority is the right MaP score for your traffic, then power versus efficiency, then the one feature that solves your real complaint, then size and height. Get those four right and the brand's reliability does the rest.

American Standard vs other brands: is it the right choice?

American Standard's strength is power per dollar. Its Champion line moves bulk as aggressively as anything on the market, and the Cadet 3 delivers a 1000 gram flush with a self-scrubbing rim at a mid-range price, which is hard to beat for value. Where the brand gives ground is in premium glaze and styling, areas where TOTO and Kohler invest more heavily.

If a dependable, strong flush at a fair price is your priority, American Standard is a safe place to spend. If you want the cleanest bowl coating and quietest flush, compare the best TOTO toilets of 2026, ranked; for the broadest styling and value range, see the best Kohler toilets of 2026, ranked. For the full cross-brand picture, the pillar list of best flushing toilets ranks American Standard directly against every major competitor so you can see exactly where it leads.

Sources

  • EPA WaterSense, epa.gov/watersense
  • MaP (Maximum Performance) flush testing, map-testing.com
  • Manufacturer published specifications (TOTO, Kohler, American Standard)
FAQ

Frequently asked questions

? What is the best American Standard toilet overall?

The American Standard Champion 4 is the best overall pick. Its four-inch flush valve and extra-wide, fully glazed trapway earn a perfect 1000 gram MaP score and clear the heaviest loads in one flush, which is why owners with a clog history favor it. For the same clog resistance at a water-saving 1.28 GPF, the Cadet 3 FloWise is the top efficient alternative.

? What is the difference between the Champion 4 and Champion 4 Max?

Both share the Champion line's wide trapway and clog resistance and post a 1000 gram MaP score. The original Champion 4 flushes on 1.6 gallons for the most aggressive gravity surge, while the Champion 4 Max delivers the same MaP score on an efficient 1.28 gallons, which makes it EPA WaterSense certified and eligible for utility rebates.

? Are American Standard toilets good quality?

Yes. American Standard has made toilets for over a century and is a plumber favorite for dependable flushing at a fair price. Its leading models post top 1000 gram MaP scores, use common, easy-to-source parts, and carry long warranties, so they hold up well under heavy daily use.

? Which American Standard toilet uses the least water?

The H2Option dual-flush toilet uses the least water, with a light 0.92 gallon flush for liquids and a full 1.28 gallon flush for solids. The Studio S also offers dual flush. Single-flush models like the Cadet 3, Champion 4 Max and VorMax Plus all run an efficient, WaterSense-certified 1.28 gallons.

? Is the Champion 4 worth the extra water use?

For a genuinely clog-prone bathroom, often yes. The 1.6 GPF rating uses more water than 1.28 GPF picks, but the four-inch valve and wide trapway clear the toughest loads in one flush, preventing the second flushes and clogs that waste water and time. If clogs are not your problem, choose the efficient Champion 4 Max or Cadet 3 instead.

? What is the VorMax flushing system?

VorMax replaces the usual ring of small rim holes with a single powerful jet that sweeps the entire bowl as it flushes, scrubbing the surface while clearing waste. The VorMax Plus adds a cleaning cartridge that meters a cleaning agent into the bowl on each flush, so the bowl stays cleaner with much less scrubbing.

? What does EverClean do on American Standard toilets?

EverClean is an antimicrobial glaze that inhibits the growth of stain and odor-causing bacteria, mold and mildew on the bowl surface. It does not replace cleaning, but it keeps the bowl looking fresher between washes, and it appears on models like the Cadet 3 and Champion 4 Max.

? Is the Cadet 3 a good toilet?

Yes, the Cadet 3 is one of American Standard's most recommended models. It posts a 1000 gram MaP score at an efficient 1.28 gallons, includes a self-scrubbing PowerWash rim and EverClean surface, comes in every common size and uses inexpensive universal parts, which makes it a dependable everyday choice for nearly any bathroom.

? What MaP score do American Standard toilets have?

American Standard's leading models reach the full 1000 grams, the practical ceiling of the MaP test, including the Champion 4, Champion 4 Max, Cadet 3, H2Option and VorMax Plus. Entry models like the Colony rate around 800 grams and the Studio S around 600 grams, which is still solid for low to moderate traffic bathrooms.

? Are American Standard toilets WaterSense certified?

Most 1.28 GPF and dual-flush American Standard models, including the Cadet 3 FloWise, Champion 4 Max, H2Option and VorMax Plus, are EPA WaterSense certified. The original 1.6 GPF Champion 4 is not, because it uses more than the 1.28 gallon threshold WaterSense requires.

? Is an elongated or round American Standard bowl better?

An elongated bowl has a larger water surface that handles bulk and stays cleaner, so it is the better choice for most bathrooms. Many American Standard models, including the Cadet 3 and Colony, offer a round-front version for tight spaces where the shorter projection is needed to fit the room.

? What rough-in size do American Standard toilets use?

Most use a standard 12 inch rough-in, the distance from the finished wall to the center of the floor bolts, though 10 and 14 inch versions exist for some models and older homes. Measure your rough-in before buying, since it must match regardless of how strong the flush is.

? What is Right Height on American Standard toilets?

Right Height is American Standard's name for a comfort or chair-height bowl, with the seat around 16 to 17 inches from the floor instead of the standard 14 to 15 inches. It is easier on the knees and back for taller and older users, and most flagship models offer a Right Height version.

? How does American Standard compare to TOTO and Kohler?

American Standard leads on power per dollar, especially clog resistance through the Champion line, while TOTO leads on bowl glaze and quiet flushing and Kohler on styling and value range. All three make strong 1000 gram toilets, so the choice often comes down to whether you prioritize raw flushing power, premium coating or design.

? Are American Standard toilet parts easy to find?

Yes. American Standard uses widely stocked flappers, fill valves and seats available at any hardware store, and its long history means parts are easy to source and inexpensive. Dual-flush models like the H2Option use a specific button assembly, so confirm that part before a repair, but the gravity models are very service-friendly.

? Which American Standard toilet is best for a small bathroom?

For a tight space, choose a round-front version of the Cadet 3 or Colony, which fit a shorter projection while still posting strong MaP scores. If the small bathroom is a modern remodel, the skirted Studio S one-piece offers a clean, compact look, though its 600 gram MaP suits low to moderate traffic.

? Does American Standard make one-piece toilets?

Yes. The Studio S is American Standard's skirted one-piece, and several other models offer one-piece configurations. One-piece toilets have no tank-to-bowl seam, so they wipe clean faster and look sleeker, but they are heavier to install and usually cost more than the two-piece Cadet 3 and Champion models.

? Can a 1.28 GPF American Standard toilet handle heavy use?

Yes. Flush strength comes from bowl geometry, valve size and trapway design, not water volume. The Cadet 3 FloWise, Champion 4 Max and H2Option all post 1000 gram MaP scores at 1.28 gallons, so they clear heavy household loads while meeting EPA WaterSense efficiency standards.

Our Verdict

The American Standard Champion 4 is the American Standard we would put in most clog-prone homes, pairing a four-inch flush valve and an extra-wide fully glazed trapway with a perfect 1000 gram MaP score to clear the heaviest loads in one pass. Choose the Cadet 3 FloWise for the best value and the same clog resistance at an efficient, WaterSense-certified 1.28 gallons, the Champion 4 Max for Champion power within that limit, the H2Option for the most water savings, the VorMax Plus for the cleanest bowl, the Studio S for a modern remodel, and the Colony for the lowest cost. Match the MaP score, flush valve and water rules to your bathroom, and the plunger can stay in the closet.

How we rank & our data sources

We do not run physical lab tests. Rankings are built from published, verifiable data and real owner feedback, never paid placement.

Researched by Marcus Bell · Last updated June 28, 2026 · Our review method

M
Researched by Marcus Bell

Marcus compiles bathroom-fixture data, MaP flush scores, GPF ratings, trapway and flush-valve specs, and weighs them against thousands of verified owner reviews to build our rankings. He does not run physical lab tests; every verdict is sourced from published specifications, certifications (MaP, EPA WaterSense) and real owner feedback.

Updated June 2026 · Brands
Keep reading

Related guides

Best Toilet Brands Ranked 2026

Best Toilet Brands Ranked 2026

Brands
4.6

We rank the top toilet brands for 2026 based on MaP flush scores, water efficiency, owner satisfaction, and warranty coverage. Find the…

Read the guide
TOTO Toilet Serial Number: How to Find Your Model Year

TOTO Toilet Serial Number: How to Find Your Model Year

Brands
4.6

Step-by-step guide to locating your TOTO serial number, decoding the production date, confirming your model, and using that information for warranty claims,…

Read the guide

Pfister Faucets: Mid-Range Brand Worth Buying?

Brands
4.6

A data-driven breakdown of Pfister faucet lines, finish durability, warranty coverage, and how this mid-range brand compares to Moen, Delta, Kohler, and…

Read the guide