Markets are flooded with countless toilet manufacturers, but not all of them are the same in terms of quality. When it comes to the best toilet brands, Kohler needs no introduction. Founded by John Michael Kohler in 1883, Kohler is known for producing high quality plumbing products. Kohler toilets are known for their excellent flushing performance, durability, easy to clean surface, and innovative features.
Flushing power of a toilet matters a lot, especially to prevent clogging issues. Whether dealing with liquid or large waste, the best flushing Kohler toilets won’t disappoint you at any point. Based on user reviews, flushing performance, and price, we have selected these Kohler toilets for you. Let’s discuss!
Table of Contents
Best Flushing Kohler Toilets- Top 7 Powerful Flushing Toilets For 2024
KOHLER K-3940 – Best Kohler Elongated Toilet
KOHLER K-3987 – Best Kohler 1.6 Gallon Toilet
Kohler K-3933 – Best Kohler Comfort Height Toilet
1. KOHLER 3989-0- Best Dual Flush Kohler Toilet
Best known for water saving mechanism without affecting the powerful flushing performance, KOHLER 3989-0 is two pieces High-line dual flush toilet. Starting with the durable vitreous material, the toilet has decent stain resistant ability with easy to clean surface. Flushing performance is fabulous with two tone flush lever. The toilet uses 1.1 gpf for small or liquid waste and 1.6 gpf for large waste.
Equipped with an Elongated bowl, the toilet offers ideal comfort, which makes it a good option for elderly persons. A comfort height feature provides a chair-height seat for convenient sitting down and standing up. Overall the toilet seat is durable, but a slow closing mechanism is absent. There are no seating wax rings included in the package, which is disappointing.
Kohler has added a nested trip lever on the left side for convenient flushing. The rough-in size of 12 inches which prevents clogging and leakage problems efficiently. Installation may take some time, and if you are doing it for the first time, we will suggest calling a professional for help. Equipped with a 2-1/8 inches fully glazed trapway, this powerful Kohler flushing toilet is backed by one year limited manufacturer warranty.
2. KOHLER K-3940 – Best Kohler Elongated Toilet
This one piece classic toilet by Kohler is one of the most powerful flushing toilets available on the market. Manufactured from durable ceramic material, the floor mounted toilet comes with a comfort height feature to provide chair-height seating. Whether a senior person is using it or an adult, sitting down and standing up is ultra-convenient. Equipped with an Aqua Piston canister, it allows water to flow in the elongated bowl from all sides.
The 360 degree water flow increases the effectiveness and power of the flush. There is single gravity flushing technology that takes 1.28 gallons per flush. I liked the durable canister design of the KOHLER K-3940 as it has 90% less exposed seal material compared to a 3-inch flapper for ideal leak proof performance. An innovative design minimizes the nooks and crannies on the base for effortless cleaning.
The canister flush by Kohler packs a powerful punch to blow away clogs without wasting water. Also, the concealed trapway adds to the sleek appearance of the toilet. The downside is that there is no seat included in the package. For effortless flushing, the manufacturer has added a left-handed trip lever. Other essential features include an installation manual and one year limited warranty.
3. Kohler K-3933 – Best Kohler Comfort Height Toilet
Featuring an elegant appearance of the memoirs collection with a stately design, Kohler K-3933 two-piece toilet offers excellent flushing performance with traditional style. The best thing about this two piece Kohler toilet is its compact round shaped design which makes it the best choice for small bathrooms. Featuring 1.28 gallons per flush, the toilet is well known for its effective flushing and leak proof performance.
The comfortable height seating allows sitting down and standing up ultra-convenient. For me, the most appealing feature of Kohler K-3933 is the AquaPiston canister flushing technology. The water flows into the round bowl from all sides to increase the power and effectiveness of the flush. Also, the durable canister design offers leak-free performance, thanks to the 90% less exposed seal material compared to the 3-inch flapper.
Another standout feature of this best flushing Kohler toilet is the large 3-1/4 inch canister flush valve offering powerful jet action to provide quick water delivery from the toilet tank to the bowl. A chrome plated left hand trip lever makes flushing effortless. The 12 inches rough-in size is good enough to prevent clogging problems. Last but not least, Kohler is offering one year limited warranty for customer satisfaction.
4. Kohler K-3999 – Best Kohler Toilet For Heavy Person
One of the best selling Kohler toilets, Kohler K-3999 offers durability, performance, and style. The first thing that inspired us was the classic appearance of the elongated bowl with comfort height function. The chair-seating toilets are best for seniors who are going through joint aches. The toilet offers easy sitting down and standing up performance.
Equipped with 12 inches rough in, Kohler K-3999 provides powerful flushing performance and doesn’t clog even with large waste. It is 1.28 gallons per flushing which makes it a suitable candidate for the best flushing toilets available on the market. It does not help to reduce bills by reducing water waste but also keeps the flushing performance admirably powerful.
The toilet has 3 bolt installation mechanisms and comes with three pre-installed tank bolts for quick installation. The trip lever is located on the left side to save installation space. An easy to clean surface is great for effortless cleaning. Kohler hasn’t included any additional accessories, including seats and supplies, in the package. If you are not satisfied with the toilet’s performance, Kohler is offering one year limited warranty for K-3999.
5. KOHLER 3810-96 – Best Kohler One Piece Toilet
This Santa Rosa one piece toilet adds a contemporary appearance to your bathroom while conserving space with its durable, elongated bowl. You can easily transform the smallest bathroom into a comfortable, well-designed space without sacrificing the essential features. Manufactured from vitreous material, the toilet is a good option for heavy persons, thanks to the durable build quality by Kohler.
When it comes to flushing performance, the toilet belongs to the gravity flush family. The best part is its tested performance for efficient and consistent flushing. Offering 1.28 gallons per flush, KOHLER 3810-96 leaves no waste behind. The single flush gravity utilizes the force of gravity along with the precision-engineered tank and elongated bowl. Combined with a large trapway, this powerful flushing toilet by Kohler creates a strong siphon during the process.
The AquaPiston canister helps the water to flow into the elongated bowl from all sides and increases the flushing power for ideal performance. Kohler has added a Quiet-Close seat to eliminate the loud slamming. The one-piece design helps in convenient installation and cleaning. Comfort height seat makes sitting down and standing up easy for seniors and adults. This Kohler toilet comes with a one year limited warranty and a standard left-hand trip lever.
6. KOHLER K-3987 – Best Kohler 1.6 Gallon Toilet
This Wellworth dual flush toilet by Kohler is an excellent combination of style and performance. Offering 1.1 gallons per flush and 1.6 gallons per flush, the toilet allows for saving water with its water saving flushing mechanism. The two-tone flush lever is located on the side of the tank to leave the top free for storage. Featuring a round-front bowl, it offers a great solution for small bathrooms and powder rooms.
There is a 2-1/8 inches gully glazed trapway to prevent leakage issues. Manufactured from vitreous China material, it delivers a contemporary look with durability. I was impressed with the Class Five flush technology that delivered an extraordinary flushing performance. I was expecting a seat, but Kohler hasn’t included the seat in the package.
The Kohler toilet comes in two pieces, and you have to combine them during installation. Although installation is straightforward if you haven’t tried it before, it is recommended to class plumbing services. Also, KOHLER K-3987 is WaterSense Certified and uses 20% less water compared to standard toilets. Just like other Kohler toilets, this one is also backed by one year limited manufacturer warranty.
7. KOHLER 3814-0 – Best Kohler Toilet For Small Bathroom
The Corbelle two-piece toilet by Kohler offers a powerful, clean swirl-style flush in a sleek skirted design. Equipped with revolutionary 360 swirl flushing technology, it keeps the round bowl clean for a long time compared to conventional flush. The flushing technology with CleanCoat surface sends 360 degrees of water through the round bowl and leaves nothing behind. The strong flush of the AquaPiston clears even the toughest backups.
Offering chair-height seating, the toilet comes with comfort height for easy sitting down and standing up. This best flushing Kohler toilet uses 1.28 gallons per flush. Remember, it is the WaterSense toilet to bring annual water savings. Overall, the toilet is durable, easy to clean, and installed with a skirted trapway to eliminate the hassle of drilling holes.
The narrow toilet tank features a vertical handle lever on the left side. Thanks to the smooth base, it helps to keep the toilet clean for a long time. All you need is to give the surface a quick wipe with a damp cloth to restore the shiny appearance. Installation is easy, but you have to combine the two pieces carefully. Backed by one year limited manufacturer warranty, the toilet comes with a tank cover and ReadyLock installation system.
How To Find The Right Flushing Kohler Toilet- The Buying Guide
You just can’t pay for anything without having proper information. The case gets even more serious when you are out to buy a toilet. Don’t worry; the following key factors can help to make the right choice while buying a Kohler toilet.
- Shape and Size
When buying the best flushing Kohler toilet, it is recommended to check the size and shape for an ideal fitting in your bathroom. There are two toilet shapes available on the market, including elongated bowls and round bowls. Round bowl toilets are fatter and shorter in size, whereas elongated bowl toilets are longer than round toilets. An elongated bowl measures between 18 inches to 19 inches. Elongated toilets offer maximum comfort than round toilets.
The toilet height can be a serious factor for most users. For instance, you can buy a heated toilet seat, but you won’t enjoy the process due to improper height. The standard toilet height is about 13 to 15 inches tall. For extra comfort, you can go for 17 to 19 inches of toilet height.
- Flushing Toilet type
There are two types of flushing toilets available, one piece and two piece toilets. Both types of toilets have different flushing systems. The best thing about one piece toilet is that it doesn’t have complicated assembling. The toilet bowl and water rank come connected. The one piece toilet is known for its sleek design and effortless cleaning. Also, you don’t need to worry about bacterial building up.
On the other hand, two piece toilets are more conservative and ideal for regular bathrooms. The dark side is you need a good plumber for installing process. A seal connects the toilet bowl and tank. One benefit of two piece toilets is that they are cheaper than one piece toilets.
Types of Toilet Flushing Systems
- Gravity Flush Toilets
The traditional flush system is powered by gravity, utilizing the weight of water to create a flushing pressure. Most water tanks sit directly on the bowl’s top, whereas some gravity systems have an elevated cistern to enhance the distance of water. Water from the toilet tank is forced into the bowl, cleaning it and eliminating waste at the same time.
A gravity flush system is one of the oldest mechanisms for flushing toilets. In fact, it’s the simplicity of these flushing systems which kept them around for centuries. It has only a few moving parts, and that’s why they are known as the quietest flush systems.
- Pressure Assisted Toilets
Pressure-assisted systems are similar to gravity flushing toilets, but they have an additional mechanism used to force water into the bowl even harder. A plastic tank with an air-filled balloon is pressurized when the water begins to refill the ceramic tank of the toilet.
During flushing, the compressed air in the balloon pushes water into the toilet bowl at a higher flow rate. It helps to use less water without affecting the flushing performance of a toilet and saves water to reduce bills.
Due to an extra force applied during flushing, a pressure assisted toilet produces loud flushing noise compared to other flush types. If you are concerned about flushing sounds, pressure assisted toilets are not for you.
- Dual Flush toilets
Dual flush systems are getting popular due to the environmentally conscious design that allows one to choose more or less water depending on flushing needs. The flushing system comes with two buttons or levers installed on the same unit. It allows selecting full flush for a large waste and partial flush for liquid or small waste.
A full flush uses 1.6 gallons of water, whereas a partial flush uses 1.1 gallons of water to remove waste from the toilet bowl.
- Tornado/Double cyclone flush toilets
Tornado flush is new addition introduced by toilet manufacturing company Toto. Instead of the typical rim holes, the tornado flush system releases water into the toilet bowl with two large nozzles on both sides of the unit to create a centrifugal, cyclonic rinsing action. The double cyclone flush system uses 1.28 gallons of water for both solid and liquid toilet waste.
- Water efficiency
Before making a decision, it is essential to consider whether the toilet is capable of conserving water or not. You can check the flushing water with every toilet we have reviewed. Dual flushing toilets are best as they conserve more water compared to other flushing toilets. Make sure to check how many water gallons per flush the toilet needs to remove waste from the bowl.
- Flush Valve
Most people don’t pay attention to the flush valve when buying the best flushing toilets. Remember, the wider the valve, the more water can pass easily, and the more powerful the flush will generate.
When buying a toilet, comfort should be your top priority. Height is an essential factor for comfort, especially for those with joint issues or any disability. Check the toilet seat because you will sit on the seat, not on the entire toilet.
- Rough-in Distance
The distance between the center of the toile flange and the wall is known as rough-in. Don’t forget to take measurements to ensure the toilet fits the rough-in space in the bathroom. The baseboard thickness will add a few inches to the rough-in. Please note down the standard distance (about 12 inches), but various modes also range between 10 to 12 inches.
Read Also: Causes Of Yellow Stains On Flushing Toilets
Kohler toilets are, without any doubt, the most demanding toilets available on the market. Durability, flushing power, and convenient installation are the prominent features that most people love about Kohler toilets. However, it doesn’t mean you should blindly choose any Kohler toilet. Your bathroom may be different from the toilet you are choosing. That’s where you need to note down your requirements before making a decision. Quality isn’t an issue but choosing the right flushing Kohler toilet is the prime factor you should focus on.
Frequently Asked Questions (FAQs)
- What is Kohler’s Class 5 flushing system?
Kohler Class 5 flushing system is specially produced for extraordinary bulk flushing performance. The large flush valve of class five flushing allows quick release of water with a direct fed jet and improves water flow.
- Is 1.6 gpf or 1.28 gpf better?
1.28 gpf toilets are better than 1.6 gpf toilets as they are more water efficient.
- How do I know what class my Kohler toilet is?
Every Kohler toilet comes with a model number (consisting of four or five digits with a K prefix) located inside the tank. The model number is either stamped with black or blue ink or molded into China. In some cases, the Kohler model number is preceded by F or 97.
Hello, I’m James Christopher, and I’ve spent the better part of the last decade immersed in the world of plumbing, specifically focusing on toilets and their intricacies. My journey into the world of plumbing was filled with twists, turns, and a healthy dose of curiosity.
I vividly recall my humble beginnings as an apprentice in a small plumbing firm. The first time I laid my hands on a wrench and peered into the depths of a toilet tank, I was awed and a little apprehensive. But that sense of curiosity drove me to learn more about these seemingly mundane fixtures.
Over the years, I’ve had the privilege of working on countless toilet installations and repairs. I’ve seen everything from the oldest, most stubborn toilets that seemed like relics from another era to the sleek, modern models with all their advanced features. Each toilet had its unique personality and set of quirks, and it was my job to decode their mysteries.
Toilets are not the most glamorous topic of conversation, but they are essential to our daily lives. We often take a well-functioning toilet for granted, but when things go awry, it can be a real headache. That’s where my expertise comes into play.
Through my years of hands-on experience, I’ve encountered many toilet problems, from the mundane to the downright perplexing. I’ve tackled insurmountable clogs, leaks that left homeowners scratching their heads, and flushing issues that defied logic. But I’ve learned something new with each challenge and honed my skills.
I’m excited to share my knowledge and insights with you through the blog https://toiletsadviser.com/. Whether you’re in the market for a new toilet and need guidance on choosing the right one, or you’re facing a frustrating toilet problem that needs fixing, I’m here to help.
At toiletsadviser, I’ll draw from real-world experiences to provide practical advice and solutions. I’ll demystify the world of toilets, making it easier for you to understand how they work and how to keep them in tip-top shape. I’ve covered you, from reviews of the latest toilet models to step-by-step troubleshooting guides.