Top 7 Best Low Flow Toilets in 2022: Reviewed

While you definitely want to buy the best low flow toilets for your home or workplace, you definitely don’t wish to compromise on the features. While low-flow toilets are not tough to find, it is a tough deal to figure out which is not a waste of money altogether.

Here are the best low flow toilets that come with the best features and can also replace your regular toilets. You will also find some big brand names on the list such as American Standard and Toto

Best Low Flow Toilets in the Market

1. TOTO CST454CUFG#01 Low Flow Toilet

TOTO Drake II 1G Two-Piece Elongated 1.0 GPF Universal Height Toilet with CEFIONTECT is a stylish high-profile toilet. A tank-to-bowl gasket, tank-to-bowl hardware, and toilet bolt caps are included in the Drake II 1G bowl and tank set.

The Drake II 1G features TOTO’s industry-leading 1G technology, which provides a powerful flush with only one gallon of water. TOTO’s Tornado FlushTM, a hole-free rim design with dual-nozzles that creates a centrifugal washing action that aids in rinsing the bowl more efficiently, is featured on the Drake II 1G.

CEFIONTECT, a layer of exceptionally smooth glaze that prevents particles from adhering to the ceramic, is included in this version of the Drake II 1G. TOTO 1.28-GPF incorporates Toto’s 3D Tornado flush system which enhances the capacity of flushing. This, in turn, reduces water usage.

TOTO’s Universal Height is used in the design of the Drake II 1G, allowing for a more comfortable seat position for a wide range of users. The Drake II 1G has a chrome trip lever on the left side. The Drake II 1G is ADA compliant and meets EPA WaterSense, CEC, and CALGreen requirements in California. Wax ring, toilet mounting bolts, water supply lines, and toilet seat must be purchased separately for installation and use.


  • 1.28 gallons per flush
  • Double-cyclone flushing system
  • Simple installation process


  • Relatively expensive

2. American Standard 2889218.020 H2Option

The American Standard 2889218.020 H2Option toilet is a high-quality low-flow toilet with a variety of features that will provide unrivaled performance for many years. The dual flushing system, which gives you the option of a partial or full flush for maximum water savings, is at the top of the list. With that said, the partial flush uses 0.92 GPF and the full flush uses 1.28 GPF.

Moreover, the one-of-a-kind CERIONTECT Surface technology is another significant advancement. It results in the toilet having an ultra-smooth, mirror-like finish that stays super clean because dirt gets a difficult time clinging to the surface. The technology also prevents mold, mildew, and odor-causing bacteria from growing on the toilet’s surface.

These American Standard toilets can achieve flush rates as low as 1.0 GPF by combining its Siphon jet bowl technology with the PowerWash rim, making it the ultimate water-saver. In fact, when it comes to water consumption, the H2Option meets the EPA WaterSense and MaP Premium standards.

However, it is more expensive than regular toilets. Because the toilet is a two-piece toilet, your DIY skills will come in handy for proper installation. With the right height, ultra-high water-saving efficiency, and unrivaled technology, this toilet’s performance is difficult to beat. Also, the good thing is that H2Option comes with a 1-year warranty.


  • Powerful flush
  • Stain-resistant surface
  • Affordable price
  • High quality


  • Noisy flush

3. TOTO MS604114CEFG#12 UltraMax II

The TOTO Ultramax II toilet is a smooth curved one-piece toilet. It is an ADA-compliant toilet and comes with an elongated bowl design with a lever-operated flush. The height of the seat is perfect. It qualifies for water sense certification since it uses less water i.e. 1.28 gallons per flush.

The Ultramax II toilet is ADA compliant and is built using Vitreous China. Toto’s SanaGloss coating helps Ultramax II avoid staining and keeping the microbes away. The lever of the single action flush is of a trip kind and is chrome plated. The materials used to make this toilet durable.

The Ultramax II toilet features Toto’s Double Cyclone flushing system which makes clearance of waste easy and in just one flush. The flushing system hence uses less water. This system works by pulling the flush water into the toilet and causing it to exit with an even greater force letting the waste out in one flush.

The Ultramax II toilet doesn’t require frequent manual cleaning because of the Double Cyclone flushing system and SanaGloss finish. This combination effectively keeps cleaning in check and that too in just one flush. Moreover, the SanaGloss finish helps in reducing the stains and keeping the microbes at bay. This keeps the toilet clean for long periods.

It is a low water consumption toilet. The Ultramax II toilet uses 1.28 gallons of water per flush. This attributes to making Ultramax water sense certified.


  • It comes with a soft close seat and lid
  • Single piece design
  • ADA compliant
  • Water sense certified
  • 1 year limited warranty


  • The contours on the bowl can cause an illusion near the water line that might look like a slight stain if the lighting is not proper.

4. KOHLER K-3988-0 Wellworth Toilet

K-3978-0 Wellworth is a standard height elongated toilet. The bowl is sufficiently sized, and the height of the bowl is comfortable. A single flush action design flushes water and is rushed under high pressure from the center of the canister-based flush valve.

The Kohler Wellworth’s shape and style are extremely simple, but because it is a two-piece toilet, the aesthetic of the toilet is complemented by its finely designed cover. It is sold in a conventional design that includes a two-piece toilet, a toilet tank, and a toilet bowl. The bowl is also extended and crafted of vitreous china for added comfort.

This pressure assist toilet is rated Class 5 in terms of efficiency. The flush has a chrome-finish trip handle that adds a touch of refinement to your bathroom. K-3988-0 by Kohler has a fully glazed 2 1/8 inch trap way and an extremely effective 1.6-gallon flushing mechanism, which ensures that the bowl is cleaned on every single flush.

The Kohler Wellworth is a two-piece toilet and therefore the installation is comparatively easy. The first step is to install the toilet to the waste pipe system, then add the cistern to the toilet finally. The Kohler Wellworth toilet is not ADA certified, which means it can not be installed for the use of the public in an office or a public restroom and is meant for installation only at private properties like a home.


  • Priced competitively, makes it a good choice
  • Uses less water to flush making it environment friendly
  • Modern design to facilitate cleaning


  • Not ADA certified

5. Toto CST474CEFGNo.01 Vespin II Two-Piece Toilet

Toto Vespin is a moderately priced two-piece toilet on our list of the best low flow toilets. Vespin features an elongated bowl design and a perfect seat height making it ADA compliant.

Vespin features a double cyclone (Tornado flush) flushing system which is highly efficient. It uses 1.28 gallons of water making Vespin EPA WaterSense certified.

The flush is operated using a Chrome trip lever. Moreover, the SanaGloss finish makes the cleaning part really easy and less frequent.

Since it is ADA compliant it can be used in public restrooms. Vespin is an economical option.


6. Kohler K-3999-0 Highline Comfort Toilet

This two-Piece low-flow toilet has a contemporary design and offers just one color option: white. But the best part is the toilet is easy to clean and bacteria-resistant. Moreover, the bowl is elongated, making it suitable for both men and women of all ages and health concerns.

A comfortable plunger is included and can be pushed down to begin the flushing procedure. To begin the flush, press the plunger. The Kohler Highline saves water by utilizing only 1.28 GPF. It packs a forceful punch and swiftly washes away all waste, so you don’t have to press it again.

Additionally, the low-flow toilet possesses comfort-height of a standard chair. You have to order the seat and the supply line separately as these are not included in the pack, but all the bolts are included. And talking about the price, the cost of the Kohler Highline two-piece toilets ranges from $300 to $350.

The installation requires only three bolts, which are included in the package. You must ensure that you gather everything per the instructions. The pre-installed tank bolts make installation a breeze.


  • The price is affordable.
  • Comfort height
  • Saves water


  • No extra features are offered by the developer.

7. WOODBRIDGE T-0019 Cotton White toilet

Woodbridge T-0019

The next name on our low-flow toilets review is Woodbridge T-0019. The Woodbridge T-0019 is a dual-flush elongated one-piece toilet. It comes with a variety of features that belie its low cost, making it one of the greatest value for money toilets on the market today.

The T-0019 is designed to be both luxurious and space-saving. With a 1.28-gallon tank, it can fit into even the tiniest bathrooms. It also has a sophisticated appearance that would complement any bathroom design, whether conventional or contemporary.

Meanwhile, the toilet’s glazed siphon flushing keeps it from clogging or leaking. It also results in strong flushes while keeping the operation silent for the most part.

The T-0019 seat incorporates a stainless steel hinge for added durability. To summarise, this toilet area will not corrode and will maintain the lid intact even after frequent usage. And with its skirted trapway, the T-0019 is very easy to clean as well.

Bottom Line

Now you know the best low flow toilets to save cost without compromising on the features. We have made sure to mention every product that will deliver all the required features at an affordable cost.

So go ahead and choose the top low-flow toilet that suits your needs.

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