
- Use a measuring tape or a small rule to measure the inside diameter of the flush valve opening.
- If you get a reading of between 1.8 and 2.3 inches then you have a 2-inch flush valve. Proceed to buy a 2-inch toilet flapper as well.
- A reading of plus or minus 3 inches indicates you have a 3-inch flush valve and therefore need a 3-inch toilet flapper.
- A flush valve wider than 3 inches is a sign that you need a 4-inch toilet flapper.
- If the opening looks about the size of a baseball or orange, you need a 2″ flapper.
- If the opening looks about the size of a softball or grapefruit, you need a 3″ flapper.
How do I know what size toilet flapper I Need?
An easy reference is to look at the size of the flush valve drain opening in the bottom of the tank. If it’s about the size of an orange or baseball, you need a 2 inch seal. If it looks more like the size of a grapefruit or softball, you need a jumbo 3 inch seal. You can also measure the flush valve opening to determine what flapper size you need.
Do all toilet flappers work the same way?
All toilet flappers work the same way, but they come in a few different sizes and it’s important to know the difference. The size flapper you need depends on the valve, not the tank!
How do I contact a flapper toilet company?
U.S.A: (262) 763-2434 & outside U.S.A.: (800) 528-3553 . Available: Monday through Friday, 7:30 AM to 5:00 PM CST. STEP 1: Toilets vary in size and shape, as do their flush valve systems. Flappers comes in two sizes, two inch and three inch.
What is a toilet flapper valve?
A flapper valve is a type of valve used in flush toilets. It creates the watertight seal in the toilet tank that holds the water until flushing. Are all toilet flappers universal? No.

How do I identify my toilet flapper?
0:270:58What toilet flapper size do I need? - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf it is the size of tennis ball or an orange your toilet requires a two inch flapper. If it is theMoreIf it is the size of tennis ball or an orange your toilet requires a two inch flapper. If it is the size of softball or grapefruit. Your toilet requires a 3-inch flapper.
Are flappers for toilets universal?
Are all toilet flappers universal? No. There are universal designs like the Fluidmaster flappers that replace most other flappers and there are specialty flappers for specific flushing systems.
Do all flappers fit all toilets?
STEP 1: Toilets vary in size and shape, as do their flush valve systems. Flappers comes in two sizes, two inch and three inch. A majority of toilets will use the two inch flapper; however three inch flappers have become popular in recent years and can be found in newer toilets manufactured since 2005.
Are there different types of toilet flappers?
Types: There are two types of flappers, Adjustable Flappers and Non-Adjustable Flappers, and these flappers are designed for specific flushing capacities of toilets.
How do I know if my toilet flapper is 2 inch or 3 inch?
Look at the flush valve drain opening at the bottom of your tank.If the opening looks about the size of a baseball or orange, you need a 2″ flapper.If the opening looks about the size of a softball or grapefruit, you need a 3″ flapper.
How do you replace a toilet seat flapper?
1:222:54How to Replace Toilet Flapper Install New Actuator Disc - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou need get some disposable gloves and a plastic bag. First you want to reach down behind yourMoreYou need get some disposable gloves and a plastic bag. First you want to reach down behind your toilet and turn off the water then you want to remove the cover on the back of your toilet.
Why do toilet flappers wear out?
Flappers can begin to fail from age, through mildew or mold, or through the growth of bacteria. These factors can cause the flapper to crack or to no longer fit perfectly around the flush valve. Some drop-in bowl cleaners are also hard on the rubber component of a flapper. As the flapper deteriorates it allows leakage.
Why does toilet keep running after flushing?
Adjust the Fill Height by Checking the Float The water level in the tank is controlled by an adjustable float. A float that's set too low produces a weak flush; if it's set too high, water spills into the toilet overflow tube and the fill valve won't shut off. The toilet keeps running.
What size are most toilet flappers?
Most toilets will have a 2-inch drain or a 3-inch drain. Standard flappers of both types are available for these common sizes, though flexible 3-inch flappers can sometimes be difficult to find. To measure for the correct size, you will need to lift or remove your current flapper.
How to tell what size flapper to use for toilet?
An easy reference for determining your toilet’s flapper size is to look at the flush valve drain opening at the bottom of your tank. STEP 2: If your flapper is the size of a baseball or an orange, your toilet requires a two inch flapper.
How big is a toilet flapper?
Flappers comes in two sizes, two inch and three inch. A majority of toilets will use the two inch flapper; however three inch flappers have become popular in recent years and can be found in newer toilets manufactured since 2005. An easy reference for determining your toilet’s flapper size is to look at the flush valve drain opening at ...
How to tell what size Fluidmaster flapper to use?
The simplest way to determine which Fluidmaster flush valve and flapper to use is to measure the flapper that is already on the flush valve. To identify what size is needed measure the width ...
What is a fluidmaster flush valve?
Fluidmaster manufactures a standard or universal size of flush valves with flappers and are among the most common flush valves to be used. All though there are many different types of flush valves most flush valves are interchangeable and depend on the size of the ceramic flush hole that is bored through the tank by the porcelain manufacturer.
