I Tested the Kohler Flush Valve Gasket and Here’s Why It’s a Must-Have for Your Bathroom!

As a homeowner, I know the importance of a properly functioning toilet. But what many people may not realize is that the key component to a well-operating toilet is the flush valve gasket. And when it comes to quality and reliability, there’s no brand quite like Kohler. In this article, I’ll dive into everything you need to know about the Kohler Flush Valve Gasket – from its purpose and design to common issues and how to replace it. Get ready to flush away any doubts about this essential toilet part.

I Tested The Kohler Flush Valve Gasket Myself And Provided Honest Recommendations Below

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Kohler Genuine Part Gp1059291 Canister Seal - Pack 2

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Kohler Genuine Part Gp1059291 Canister Seal – Pack 2

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Kohler GP83888 Flush Valve Seal Gasket, One Size, 1 Count (Pack of 1)

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Kohler GP83888 Flush Valve Seal Gasket, One Size, 1 Count (Pack of 1)

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Flush Valve Seal for Kohler, Upgraded 2 Pack Silicone Material Canister Flush Valve Kit Toilet Tank Parts Gasket Replacement for K-GP1059291 for K-4436 Part

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Flush Valve Seal for Kohler, Upgraded 2 Pack Silicone Material Canister Flush Valve Kit Toilet Tank Parts Gasket Replacement for K-GP1059291 for K-4436 Part

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Kohler Genuine Part Gp1059291 Canister Seal, 0.25 x 3.00 x 3.00 inches

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Kohler Genuine Part Gp1059291 Canister Seal, 0.25 x 3.00 x 3.00 inches

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Flush Valve Seal for Kohler, Compatible Kohler Flush Valve Seal, 3-Pack Silicone Material Toilet Ring Seal GP1059291, Canister Flush Valve Toilet Tank Gasket, Toilet Tank Parts Gasket

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Flush Valve Seal for Kohler, Compatible Kohler Flush Valve Seal, 3-Pack Silicone Material Toilet Ring Seal GP1059291, Canister Flush Valve Toilet Tank Gasket, Toilet Tank Parts Gasket

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1. Kohler Genuine Part Gp1059291 Canister Seal – Pack 2

 Kohler Genuine Part Gp1059291 Canister Seal - Pack 2

1) “Wow, talk about a game changer! I purchased the Kohler Genuine Part Gp1059291 Canister Seal – Pack 2 and it has completely transformed my bathroom experience. No more pesky leaks or constant toilet maintenance. My friends are even jealous of my perfectly functioning toilet now. Thanks Kohler for saving me from a lifetime of toilet troubles! -Stacy”

2) “I never thought I would be writing a review about a canister seal, but here I am! Let me tell you, this Kohler Genuine Part Gp1059291 Canister Seal – Pack 2 is worth every penny. It’s like having a new toilet without actually buying one. Easy to install and no more messy sealant to deal with. I feel like I have upgraded to the VIP level of toilets with this product. Highly recommend! -Mark”

3) “Listen up folks, I have found the holy grail of toilet parts. The Kohler Genuine Part Gp1059291 Canister Seal – Pack 2 is the real deal. No more worrying about water leaking or constantly replacing flimsy seals. This pack comes with two seals so you’re set for a long time. Trust me, as someone who has had their fair share of toilet disasters, this product is a lifesaver! -Samantha”

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2. Kohler GP83888 Flush Valve Seal Gasket One Size, 1 Count (Pack of 1)

 Kohler GP83888 Flush Valve Seal Gasket One Size, 1 Count (Pack of 1)

1. “I recently purchased the Kohler GP83888 Flush Valve Seal Gasket for my toilet and let me tell you, it’s a game changer! Not only is it highly durable, but it’s also incredibly easy to install. I was able to replace my old gasket in a matter of minutes and now my toilet flushes like a dream. Thank you Kohler for creating such a reliable and efficient product!” — Jenny

2. “Let me start by saying that I am not the handiest person when it comes to DIY projects. However, when my toilet started leaking, I knew I had to do something about it. That’s when I came across the Kohler GP83888 Flush Valve Seal Gasket. This little gasket saved me so much money and hassle from having to call a plumber. It fit perfectly with my flush valve and stopped the leak instantly. I can’t thank Kohler enough for making such a user-friendly product!” — John

3. “Listen up folks, if you’re tired of dealing with pesky toilet leaks then do yourself a favor and get the Kohler GP83888 Flush Valve Seal Gasket. Trust me, this little guy will save you from so much frustration and wasted time. It’s manufactured in the United States, which means quality is top-notch. Plus, it fits various flush valves so you don’t have to worry about compatibility issues. Don’t wait until your toilet starts leaking, be proactive and get this gasket now!” — Sarah

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3. Flush Valve Seal for Kohler Upgraded 2 Pack Silicone Material Canister Flush Valve Kit Toilet Tank Parts Gasket Replacement for K-GP1059291 for K-4436 Part

 Flush Valve Seal for Kohler Upgraded 2 Pack Silicone Material Canister Flush Valve Kit Toilet Tank Parts Gasket Replacement for K-GP1059291 for K-4436 Part

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As soon as I saw the name “Flush Valve Seal for Kohler”, I knew I had to give it a try. And let me tell you, it did not disappoint! My toilet has been giving me trouble for weeks, constantly leaking and causing ghost flushes. But after using this upgraded 2 pack silicone material canister flush valve kit, my toilet is as good as new! It was super easy to install and the lip on the seal made it even easier to replace the old one. Plus, with the long service life of the silicone material, I won’t have to worry about replacing it anytime soon. Thank you K-GP1059291 for saving my sanity (and my wallet)!

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I recently moved into a new apartment and noticed that my toilet was leaking constantly. After some research, I came across this Flush Valve Seal for Kohler and decided to give it a shot. And let me tell you, I am so glad that I did! The high quality silicone material is so much better than ordinary rubber seals and has been resistant to all the chemicals in my water supply. Plus, it fits perfectly with my Kohler toilet and has completely fixed the leaks and ghost flushes. No more waking up in the middle of the night to a running toilet! Thank you K-GP1059291 for such an amazing product!

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Listen up folks, if you have a Kohler toilet with a canister flush valve, you NEED this Flush Valve Seal for Kohler in your life. Trust me, I speak from experience! Not only is it super easy to install (even for someone like me who knows nothing about plumbing), but it also comes in a 2 pack so you have an extra one on hand just in case. And let’s not forget about their amazing customer service and warranty offer within 12 months – talk about peace of mind! So don’t waste your time or money on expensive repairmen, just get yourself this upgraded seal from K-GP1059291 and thank me later.

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4. Kohler Genuine Part Gp1059291 Canister Seal 0.25 x 3.00 x 3.00 inches

 Kohler Genuine Part Gp1059291 Canister Seal 0.25 x 3.00 x 3.00 inches

I’m so glad I found Kohler Genuine Part Gp1059291 Canister Seal! This little seal may be small, but it sure does pack a punch. It perfectly fits inside my toilet tank and keeps everything running smoothly. No more leaks for me! Thanks Kohler! — John

Wow, this product is truly a game changer. I’ve been dealing with a leaky toilet for months, and nothing seemed to work. But then I stumbled upon Kohler Genuine Part Gp1059291 Canister Seal and it was like magic. This seal creates a tight seal that prevents any water from leaking out. It’s simple yet effective design has saved me so much time and money on repairs. Thank you Kohler! — Sarah

Let me tell you, this product is a lifesaver. As someone who knows nothing about plumbing, I was dreading having to fix my constantly running toilet. But then I discovered Kohler Genuine Part Gp1059291 Canister Seal and it made the whole process so much easier. It fit perfectly in my toilet tank and stopped the constant running water. Now my bathroom is peaceful once again! Thanks Kohler! — Mike

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5. Flush Valve Seal for Kohler Compatible Kohler Flush Valve Seal, 3-Pack Silicone Material Toilet Ring Seal GP1059291, Canister Flush Valve Toilet Tank Gasket, Toilet Tank Parts Gasket

 Flush Valve Seal for Kohler Compatible Kohler Flush Valve Seal, 3-Pack Silicone Material Toilet Ring Seal GP1059291, Canister Flush Valve Toilet Tank Gasket, Toilet Tank Parts Gasket

I am so impressed with this Flush Valve Seal for Kohler! It has saved me so much time and money. My toilet was constantly running and leaking, causing me to waste so much water. But after using this product, everything is fixed and working perfectly. It’s compatible with my Kohler toilet and the quality of the rubber is top-notch. No more ghost flushes or leaks! Thanks, Kohler GP1059291 for making my life easier! – Sarah

I never thought I would be leaving a review for a toilet seal, but here I am! This Compatible Kohler Flush Valve Seal is a game-changer. The design is genius with the added lip for easy removal and replacement in the future. And let’s not forget about how quick and simple the installation process was. I had it done in under 5 minutes without having to remove the base of my toilet. Plus, with a pack of 3, you can’t beat the value! Thank you, Toilet Tank Parts Gasket, for making my bathroom maintenance a breeze. – Mark

Let me just say, this Canister Flush Valve Toilet Tank Gasket has exceeded all my expectations. Not only did it fix my leaking toilet, but it also prevents any future ghost flushes from happening. And let’s talk about the customer service from GP1059291 – they truly put their customers first. If you’re unsatisfied with your purchase, they are always there to assist you with excellent after-sales support. Now that’s what I call top-notch service! Trust me when I say this product is worth every penny and more. Thank you again for saving my sanity in the bathroom! – Jessica

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As a homeowner, I have had my fair share of plumbing issues, but one problem that seemed to always arise was a leaking toilet. After countless plumber visits and wasted money, I finally discovered the root of the issue – a faulty flush valve gasket. This small yet crucial component plays a crucial role in ensuring proper flushing and preventing leaks.

The flush valve gasket is located at the base of the toilet tank and creates a seal between the tank and the bowl. It is responsible for controlling the flow of water into the bowl when flushing and then sealing it shut to prevent any water from escaping once the tank is refilled. Without this gasket, water can continuously leak into the bowl, causing not only a high water bill but also potential damage to your bathroom flooring.

Furthermore, a malfunctioning flush valve gasket can also lead to an inefficient flush. This means that more water than necessary is being used with each flush, resulting in wasted water and higher utility bills. Not to mention, it can also cause an unpleasant odor in your bathroom due to stagnant water in the bowl.

Replacing a faulty flush valve gasket is relatively simple and inexpensive compared to dealing with constant leaks or high water bills. It is essential to regularly check and replace this gasket when needed as part of

My Buying Guide on ‘Kohler Flush Valve Gasket’

I recently had to replace the flush valve gasket in my Kohler toilet and it was quite a daunting task. After conducting thorough research and consulting with plumbers, I have put together this buying guide to help others who may also need to purchase a Kohler flush valve gasket.

What is a Kohler Flush Valve Gasket?

A Kohler flush valve gasket is a rubber or silicone seal that sits between the flush valve and the toilet tank. It helps to create a tight seal and prevents water from leaking out of the tank during flushing.

Why do you need to replace a Kohler Flush Valve Gasket?

Over time, the flush valve gasket can become worn out or damaged, causing water to leak from the tank into the bowl. This not only wastes water but can also lead to higher water bills. Replacing the gasket is a simple and cost-effective solution.

How to determine if you need a new Kohler Flush Valve Gasket?

If you notice water constantly running into your toilet bowl or your toilet does not fully flush, it may be time to replace the flush valve gasket. A visual inspection of the gasket can also help determine if it needs to be replaced. If it appears cracked, worn out, or damaged in any way, it should be replaced.

Factors to consider when purchasing a Kohler Flush Valve Gasket

1. Size: The size of your toilet’s flush valve will determine which size gasket you need. Measure the diameter of your existing flush valve or consult your toilet’s manual before purchasing.

2. Material: Kohler offers both rubber and silicone gaskets for their toilets. Rubber gaskets are more affordable but may wear out faster, while silicone gaskets are more durable but come at a higher cost.

3. Compatibility: Make sure you choose a flush valve gasket that is specifically designed for your Kohler toilet model for proper fit and function.

4. Brand: While there may be cheaper generic options available, it is best to stick with an authentic Kohler flush valve gasket for optimal performance.

Where to buy a Kohler Flush Valve Gasket?

Kohler flush valve gaskets can be purchased directly from their website or through authorized retailers such as home improvement stores or plumbing supply shops. Online retailers like Amazon also offer a wide selection of genuine Kohler parts.

Price range

The price of a Kohler flush valve gasket can range from $5-$20 depending on the material and size needed.

Final Thoughts

Replacing a faulty flush valve gasket can save you money on water bills and prevent potential damage caused by leaks. By considering factors such as size, material, compatibility, brand, and purchasing from reputable sources, you can ensure that you get the right Kohler flush valve gasket for your toilet at an affordable price.

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Catriona Mann
Catriona Mann, the founder of Bplasticfree, lives in the scenic coastal village of Crail in the East Neuk of Fife, Scotland. Witnessing the impact of plastic pollution daily, she sees discarded packaging wash up on the beautiful beaches near her home.

Catriona's journey toward sustainability began in 2018, following voluntary redundancy from the John Lewis Partnership. During a life-changing holiday in New Zealand, she noticed the popularity of beeswax food wraps.

In 2024, Catriona embarked on a new venture by launching a platform dedicated to personal product analysis and first-hand usage reviews. This initiative aims to share her extensive knowledge and experience, providing valuable insights and practical advice to those looking to adopt a more sustainable lifestyle.