10 Best Toilet Flappers 2018

10 Best Toilet Flappers 2018

There it goes again – the toilet is making that weird noise, is constantly running and isn’t flushing!

Don’t panic! You don’t need to be a plumber to buy and install a replacement toilet flapper that fits your toilet with a quick review of what to look for and what’s available.

Fixing a flapper is pretty easy as far as DIY home projects go, so long as you know what to look for when shopping for one.

For a quick overview of the what and how behind toilet flappers, plus a rundown that includes the best toilet flapper on the market, continue reading.

Top 10 Toilet Flappers Ultimate Table

PictureNameSize of flush valve (inches)PriceRating (1-5)
PictureNameSize of flush valve (inches)PriceRating (1-5)
1. Korky 818BP QuietFILL Toilet Fill Valve and Flapper Kit, 2-Inch2$$$$4.6
2. Kohler GP85160 2-Inch Flapper with A Float Used In Various Two-Piece Toilets 2$$4.5
3. Korky 2021BP G-Max Flapper For TOTO Toilet Repairs, 3-Inch 3$$$4.5
4. Korky 3060BP Universal Toilet Flapper, 3-Inch 3$$$4.4
5. Fluidmaster 502P21 Universal Performax Flapper with Microban, Red 2$4.4
6. Korky 2003BP EasyFix Toilet Flush Valve and Flapper Repair Kit, 2-Inch2$$4.4
7. American Standard 7381.129#200.0070A Flapper and Chain 2$4.4
8. American Standard 738920-0070A 3-Inch Flapper Assembly 3$4.3
9. Fluidmaster 500 Universal Toilet Flapper 2$4.1
10. Fluidmaster 5403 3-Inch Universal Water Saving Long Life Toilet Flapper 3$$$$3.8

What to Do Before Shopping for a Toilet Flapper

If you think you have to replace your toilet flapper, don’t panic! This isn’t an unusual situation since flappers naturally wear down over time.

When you find that your toilet is “running” all the time, that likely means that your flapper needs replacing.

Here are a few things to look for before shopping for a new one:

  • Flapper Frame Type. Find out if your old flapper has a flexible (rubber) or solid (plastic) frame. Rubber flappers will fit most toilets. Plastic ones only fit some toilets but can be more durable and long-lasting.
  • Flapper Size. Measure your drain hole to find out whether it’s 2 or 3 inches in diameter. These are the two main sizes of flappers.
  • Age of Toilet. The reason you need to know the age of your toilet is that toilets made previous to 1994 will fit non-adjustable flappers, whereas newer toilets fit the adjustable types of toilet flappers.

Types of Toilet Flappers

If you’re not familiar with DIY plumbing projects, you may be overwhelmed when you first look at the range of toilet flappers available! However, there’s no need to panic – a quick breakdown will explain a lot and help you decide which one you need.

  • Rubber Flappers. These are the most common types of flappers that are typically attached to a ball and chain. These are simple, reliable and easy to install, but you need to make sure that the chain is the right length for the toilet for it to work properly.
  • Tank Ball Flappers. These types of flappers are not ideal but may be suitable for some types of toilets. They generally don’t seal as well as flat flappers, because the round ball doesn’t always fall into place.
  • Seat Disk Flappers. These are the older type of flappers that come in two types, threaded and snap-on. They tend to last long, but can also take up a lot of space in the toilet. They can also be complicated to fix and install, since they are made of several parts.

Top 3 Best Toilet Flapper Reviews

1. Korky Toilet Fill Valve and Flapper Kit

If you have a toilet that’s running slow, if it’s noisy or if the flush is weak, you’ll want to try the Korky out; this is a super durable flapper, and the universal design fits a range of toilets. It’s super easy to install and adjusts automatically.

You won’t need any tools to replace this flapper, and you’ll finish the job quickly and cleanly, no spillage, muss or fuss. This flapper will last for several years, and Korky’s customer service is second-to-none, so if you do have a problem, they’re there to help.

Installing something high quality like this gives you peace of mind that your toilet won’t overflow or be running to waste water. It will also help to stop that irritating running that can be particularly noisy when flushing in the middle of the night.

It is a great choice for home repairs because it comes with an entire kit: valve, flapper, refill tubes, two nuts, cone washer, and key.

2. Kohler GP85160 2-Inch Flapper

The Kohler GPH85160 is a durable, reliable choice of 2-inch flappers. This one is made of 50% Styrofoam, so it’s super durable and easy to install. With this flapper, installation is a breeze. Plus, the Kohler brand is known for its customer service.

You’ll want to measure before you buy to ensure that you have the right size of flapper and you may need to adjust the chain, but installation will be quick and easy, and the piece will last a long time.

Because it is plastic, this flapper will hold its shape and will not erode over time as the rubber types do. The float will help it to stay in place over time, plus with the proper installation, you can save on water and energy charges through the long term.

3. Korky 2021BP G-Max Flapper

One of the top brands for plumbing products, Korky stands out as a brand that makes quality products that are easy to install. The Korky 2021BP G-Max Flapper is the best toilet flapper, specifically as a replacement for TOTO G-max model flappers.

This flapper is a cinch to install if you are facing a noisy running toilet with flushing problems.

It should last you for years, even in areas with hard water. It is highly durable even in the face of chlorine, bacteria or other potentially corrosive elements.

Korky is a US company committed to the highest standards, both in manufacturing and service. They are on top of their game with innovation and design, always having something on offer that will fit even the newest toilet designs.

Korky is known for their excellent customer service, so if you aren’t sure whether you have the right part, you can give them a call to check what’s on offer.


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