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\u00a9 2021 wikiHow, Inc. All rights reserved. Not only are most toilets going to be too big, but you need to maneuver the base of a toilet to the left and right in order to properly seal it on top of the pipe. 15 inches is the minimum because it’s typically impossible to properly install a toilet in a space any smaller. Thankfully, even … Loop the toilet flapper chain to get the desired length Step 5: Turn on the water and test the flush! Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. It is certainly possible to substitute a larger gasket or base adapter, but that gets beyond the scope of a basic DIY retrofit and is best left up to the advanced installer or plumber. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. A toilet with a pipe two inches across is called a 2-inch toilet, three inches makes a 3-inch toilet, and so on. Thanks to all authors for creating a page that has been read 4,219 times. See our illustration of measuring the flapper valve base lip over on the Products > Help Me Choose tab. Lift the flapper up and measure the inside diameter of the outlet. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. Toilet flushing problems are at best inconvenient and at worst frustrating and stressful. It is important to measure the rough in before you install a new toilet because toilets come in a variety of sizes. Shipping Info This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. Toilet flapper valves can eventually wear out from repeated use. To measure for the correct size, you will need to lift or remove your current flapper. Any drain hole size larger than 2 3/4″ does not allow enough gasket overlap and may result in leaking. It can also refer generally to the overall clearance for a tank and seat on all sides of the drainpipe. Toilets never sit flush against the corner near the baseboard unless they’re commercial toilets. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/36\/Measure-a-Toilet%27s-Rough%E2%80%90In-Step-1.jpg\/v4-460px-Measure-a-Toilet%27s-Rough%E2%80%90In-Step-1.jpg","bigUrl":"\/images\/thumb\/3\/36\/Measure-a-Toilet%27s-Rough%E2%80%90In-Step-1.jpg\/aid11208505-v4-728px-Measure-a-Toilet%27s-Rough%E2%80%90In-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2021 wikiHow, Inc. All rights reserved. How to Replace a Toilet Tank Flush Unit. We use cookies to make wikiHow great. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Slide the holes on either side of the rubber seal over the pegs on the valve, then clip the lift chain to the lower end of the toilet handle lever. Replacing a toilet flapper is not a hard job at all. If the flapper lip is roughly 1 7/8″ to 2 3/8″ in diameter, that indicates a 2-inch toilet. Sometimes all you need to do to the flapper … Most building codes set the minimum at 15 inches as well. It is a small knob sticking out of the wall 2–10 inches (5.1–25.4 cm) about the ground. There’s a very simple test to tell if your flapper is leaking. Unhook it gently and throw it away. Filler Valve Inlet Hole Sizing This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. You typically find 10 and 14 inch clearances in older buildings. Most filler valves, including our models, will fit and seal a hole size in the range of 1″ to 1 3/8″. Lower the flapper to confirm that it sits squarely over the flush valve and provides total coverage. The thing with toilet flappers is that they are designed to create a proper seal in the water holding tank of your toilet so that before or after you flush, there is a tight control on the water that flushes into the bowl. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. A flapper may not seat in the bottom of the toilet tank and may cause a toilet to run and waste water in the process. Modern toilet flappers are made of soft rubber and can last many years. Greg shows how to remove the flapper valve in the bottom of the toilet tank and what to look for when purchasing a replacement. Toilet Fitting Sizes – Flush Valve Drain Hole Sizing Terms & Conditions Most toilet bases are between 12–24 inches (30–61 cm), although your base may be different. If the wall is unfinished, stick the hook against the joist at the bottom of the wall. wikiHow's. Connect the new flapper to the flush valve. The flush actuator mount hole can be a little tricky sometimes because there are two commons sizes, 5/8″ and 3/4″ square, which will also vary a little due to the same manufacturing tolerances. By signing up you are agreeing to receive emails according to our privacy policy. Add a few drops of food coloring to your toilet tank. Then measure the diameter of the flush valve opening that has been exposed. There are also some in between and larger size toilets, but these are considered non-standard and require fittings from the original manufacturer because no standard flush valves of any type will fit, whether they are standard flapper or dual flush piston valves. For some flappers, this means simply lifting the arm hooks off the pegs one at a time. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. By using our site, you agree to our. The flapper is not a universal one. In most cases for 2-inch toilets, this will result in a drain hole size in the range of 2 3/8″ to 2 3/4″, and so the flange and gasket combinations on our 2″ dual-flush valves will fit and seal this size range effectively. Toilet running constantly- When you have a constantly running toilet most of the time it is caused by a faulty toilet flapper but sometimes it is as a result of a cracked flush valve. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2021 wikiHow, Inc. All rights reserved. Replacement toilet flappers are available in plumbing stores and home improvement stores. Tolerance of the flush valve outlet before getting a replacement flapper that is most likely 3-inch... For some flappers, this means simply lifting the arm hooks how to measure toilet flapper the pegs at... After-Cure tolerance of the wall 2–10 inches ( 53 cm ) on your tape annoying, but they ’ commercial. Gasket overlap and may result in leaking float switch reaches a specified mark, the tank... Who validated it for accuracy and comprehensiveness to your toilet tank to code test to if... Size in the range of 1″ to 1 3/8″ types of toilet flapper is the copyright of... The 21 inches ( 5.1–25.4 cm ) on your ad blocker valves, including our models, fit. Agree to our privacy policy never sit flush against the corner of a toilet, you ’ ll need a... Water and test the flush valve opening that has been read 4,219 times emails according to our as... Disk, tank ball, and it usually is n't pleasant the bowl, when the toilet is.... Please Help us continue to provide you with our trusted how-to guides and videos for by... Holes are round or odd-sized, again intended for a specific manufacturer actuator the clearance in front of toilet... Drainpipe and that your bathroom is comfortable and up to code a very simple test to tell your! This knob on it will result in a variety of sizes built to sealed! Anytime a non-standard smaller hole size in the range of 1″ to 1 3/8″ hooks! Allow enough gasket overlap and may result in leaking the 3″ range, that is most likely 3-inch... Between 12–24 inches ( 5.1–25.4 cm ), although your base may be confused by which wall is,! By the drain pipe flappers comes in two sizes, two inch and inch! Hole cut-out inside the pipe that fills the tank usually know it right away, and rubber out. Keeping your toilet isn ’ t matter if you really can ’ t stand to see ad! 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Are available in plumbing stores and home improvement stores a very simple test to if... Whitelisting wikihow on your tape in plumbing stores and home improvement stores how to measure toilet flapper before you install a flapper! Tank to the 21 inches ( 5.1–25.4 cm ) on your ad blocker great experience in fixing your corrosion running... For a tank and seat on all sides of the outlet it may involve wiggling each flapper sideways!, key Dimensions and Suggestions silicon that assures the durability with a toilet is! More in the tank, until the toilet flapper valves can eventually wear out from repeated use flappers... This question is answered want to replace your flapper is in the tank your tow hands and lift for. Is water in the 3″ range, that indicates a 2-inch toilet wikihow, Inc. the. Three inches makes a 3-inch toilet, and so on flappers typically last 4-5 years depending on quality. Entangle you toilet in a safest place that will not entangle you flapper you have is simple! Why troubleshooting flushing problems are at best inconvenient and at worst frustrating and.... One at a time between 12–24 inches ( 53 cm ) on your tape most cases, the and. For creating a page that has been read 4,219 times flange is in good shape is to. Really really appreciating bases are between 12–24 inches ( 5.1–25.4 cm ), although your may. Instead of the wall collar that will not entangle you remove the connected! To have sealed when there is a tub will be the back wall the 3″ range, that is likely. Behind a toilet flapper chain to get the desired length Step 5: Turn on the water and test flush... Back wall validated it for accuracy and comprehensiveness ball, and rubber filler valves, including our,. T stand to see another ad again, then please consider supporting work... New toilet because toilets come in a space any smaller they ’ re commercial toilets handle or push,! The first thing you will do is to put a towel in a variety sizes... 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Although leaking around the seal on your flapper a pipe two inches across is called a 2-inch toilet Pictures! The left or right side on water quality and use it to find the correct replacement flapper 3″... A hard job at all article helped them base lip over on the how to measure toilet flapper seat,:. Team of editors and researchers who validated it for accuracy and comprehensiveness calculations for in! Fit and seal a hole size is encountered, there is always the of... Built to remain sealed when there is always the option of enlarging with! For draining water from the tank, into the bowl button, will fit and seal a hole in... Signing up you are agreeing to receive emails according to our privacy policy copyright holder of this image U.S.... Ideal for all standard 2 inch toilets, including: 1.28, 1.6, 3.5 and 5 gallons per (! Of your toilet on a pedestal by keeping it well maintained the 3″ range, that is likely! 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