How do I replace the flapper in my American Standard toilet?

Asked By: Tasha Sbihi | Last Updated: 8th March, 2020
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Just so, can you just replace the flapper in a toilet?

Occasionally a new flapper doesn't solve the problem. If you've tried replacing toilet flapper but the toilet still runs, the flush valve seat is probably rough or pitted. You can replace the entire flush toilet flapper valve, but it's a big job.

Additionally, what American Standard toilet do I have? Carefully remove your tank lid, and place it gently on the floor. You'll notice a four-digit number located on the back of the tank, near the water level mark. This is your tank model number.

Regarding this, how much does a toilet flapper cost?

Fill, Shut Off & Flush Valve(s), Flapper Valve replacement can run a homeowner between $50 and $150 or more depending on local rates and minimums.

Are all toilet flappers the same size?

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.

25 Related Question Answers Found

Does Walmart sell toilet parts?

Toilet Parts and Repairs - Walmart.com.

Are toilet flappers universal?

A universal sized toilet flapper used to be the norm, but today toilet flappers can range anywhere from 2″ to 4″ in size. The size of the flapper that your toilet uses usually is determined by a couple of factors.

How long should the chain be on a toilet flapper?

When the chain has too much slack, it cannot lift the flapper high enough to allow the full amount of water to flow down through the flush valve; it closes prematurely, thereby stopping the flush. To fix this problem, simply adjust the chain length so there is about 1/2 inch of slack.

What is wrong with my toilet won't flush properly?

If your toilet isn't flushing all the way, it's most likely because of one of these problems: The water level in your toilet tank is set too low. Problems with your flapper. A clog in the toilet, flange or drain.

Do I need a float on my toilet flapper?


The flapper should start to rise before the handle is halfway down. Move the float, if there is one, closer to the flapper. You may have to unhook the chain to do this. The float is a feature of water-saving flappers, and it works best if it's about 1 inch from the flapper.

What is the best toilet flapper to buy?

Best Toilet Flappers: Reviews
  • Korky 2021BP G-Max Flapper for TOTO Toilet Repairs.
  • KOHLER GENUINE PART GP85160 FLAPPER.
  • Fluidmaster 5403 3-Inch Universal Water Saving Long Life Toilet Flapper.
  • Korky 2001BP Universal Toilet Tank Flapper.
  • Korky 2022BP Power Gravity Flapper for TOTO Toilet Repairs.

How do I stop my toilet from trickling?

Reset the level by adjusting the float, which may be attached to the overflow tube or may be a ball on the end of a metal rod. Turn off the water valve under the toilet tank and flush the toilet to drain the tank. Move the stop guide about an inch down the overflow tube if your float is attached to the tube.

How do I stop my toilet from running constantly?

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.

How do I stop my toilet from dripping?

Flush the toilet and look for a fill valve leak. Lift up on the toilet float arm when the tank is filling to see if the water stops. Bend or adjust the toilet float arm so the tank stops filling when the water level is 1/2- to 1-in. below the top of the overflow pipe.

What causes a toilet to run periodically?


A toilet that cuts on and off by itself, or runs intermittently, has a problem that plumbers call a phantom flush. The cause is a very slow leak from the tank into the bowl. The solution is to drain the tank and bowl, check and clean the flapper seat, and replace the flapper if it's worn or damaged.

What is the flapper on the toilet?

What Is a Flapper? In the case of an average toilet, the flapper is the rubber mechanism found inside the toilet tank. The flapper creates a tight seal around the flush tube, preventing water from draining out of the tank until it's time to flush.

What causes toilet flapper leak?

The most common cause of a leaking toilet tank is when the flapper fails to seat properly and form a tight seal against the valve seat. This lets water leak from the tank into the bowl. It might also be caused if there is a mineral build-up on the bottom of the flapper that prevents it from “seating” properly.

Does running toilet increase water bill?

The most common cause for a high water bill is running water from your toilet. A continuously running toilet can waste up to 200 gallons a day. That can double a familyss typical water use, so fix toilet leaks as soon as possible. Some leaks are easy to find, such as a dripping faucet or running toilet.