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K-400H-039-T14 PerforMAX® Fill Valve & 2 inch Flapper Repair Kit

You can purchase this repair kit from the Fluidmaster Online Store

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In an independent study, Storables.com rates this kit as one of the highest rated toilet repair product for 2023. Click here to read the article: Best Toilet Fill Valve

The Jerusalem Post independently rates the K-400H-039 as one the best toilet fill valves. Click here to read the article: 10 Best Fill Valves Review

Solve common toilet problems like noisy, leaky or running toilets with the Fluidmaster K-400H-039 PerforMAX High Performance Toilet Fill Valve and Adjustable 2 in. Flapper Kit. This repair kit includes the 400H Fill Valve and the 502 Flapper.

This kit has a universal design, made to fit 2 in. flush valve toilets including Kohler, Toto, American Standard and more. Now featuring both tank and bowl water level adjustment dials, to quickly customize your water use per flush and save.  The EZ-Twist height adjusts from 10” to 15” to fit most toilet tanks.

  • The PerforMAX fill valve and 2 in. flapper repair kit is the top choice to make your 2 in. flush valve toilet run like new
  • PerforMAX high performance toilet fill valve offers adjustable tank and bowl water levels for full water control
  • Fast and easy to install, designed to fit 2 in. flush valve toilets
  • PerforMAX water-saving toilet flapper included to save water use per flush
  • EZ-twist adjustable fill valve height to fit more tanks
  • Maximize your flush performance and water savings with this high performance toilet repair kit
  • Corrosion resistant flapper
  • Solid frame flapper to eliminates twisting and leaks
  • 7 year warranty

How to install the 400H fill valve video:

How to install the 502 toilet flapper video:

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502 - PerforMAX Adjustable 2 in. Toilet Flapper 3-Pack

You can purchase this 3-pack toilet flapper from the Fluidmaster Online Store

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Fix Running Toilet, Weak Toilet Flush & Double Flushing Toilet with the Fluidmaster 502CN3 2 in. Universal PerforMAX High Performance Toilet Tank Flapper 3-Pack.

Buyer’s Guide rates the 502 flapper as the “Best Toilet Flapper” in 2024. Click here to read the article: Best Toilet Flappers

The Thomas Guide names the 502 flapper as the best toilet flapper of 2023, according to 38,000+ customer reviews. Click here to read the article: Best Toilet Flapper

Home Improvement Expert, Bob Vila, independently rates the 502 flapper as the best overall 2-inch flapper for running toilets. Click here to see BobVila.com’s top picks for flappers: Bob Vila’s Best Flapper Replacements

Buy in bulk and quickly save money on toilet repairs. This flapper has an adjustable dial that helps you set your water use per flush dependent on your needs, eliminating water waste. This toilet flapper is built to last from durable corrosive resistant materials, and features a solid frame for a secure seal every time.  The universal toilet flapper design fits most 2 in. flush valve toilets, from 1.28 HET to 3.5 GPF designs.

  • Adjustable to save water use per flush
  • Easy to install and adjust, for use with 2 in. flush valve toilets
  • Built to last, chlorine and hard water resistant
  • Solid fame design to resist twisting and eliminate leaks
  • Best for use with all toilets, 1.28, 1.6, 3.5+ GPF (gallons per flush)
  • 5 year warranty

Buy Now

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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PRO57A Adjustable Flush Valve Repair Kit

  • Repair your customer’s leaky toilet tank and restore the flush fast with this Pro Series toilet flush valve repair kit
  • Easy to install
  • Universal design fits 2 in. flush valve toilets
  • Easy adjust flush valve height adjusts with a twist to fit most any tank
  • Adjustable water-saving toilet tank flapper included for a customized flush
  • Chlorine and hard water resistant flapper for a long lifespan
  • 5-year warranty

Best for use in 1.28 and 1.6 GPF toilets (can use with older 3.5 GPF models)

The Fluidmaster Pro Series PRO57A-013 2 in. Adjustable Flush Valve Repair Kit includes all you need to restore your customer’s toilet’s flush with Pro Series quality. This universal design is built to work with most 2 in. flush valve toilets with adjustable height and settings. The flush valve features an adjustable overflow tube, simply twist to adjust height for any toilet tank. Quickly eliminate leaks between the tank and bowl. Includes an adjustable solid frame flapper made to secure with every flush. And, the flapper adjusts for a custom flush to save water. Built to last featuring a 5 year warranty. Eliminate leaks fast and save with a Pro Series adjustable 2 in. toilet flush valve kit.

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5052GB - 2 in. Toilet Tank Flapper for Glacier Bay

The 5052GB Glacier Bay® Adjustable Flapper is designed to be a direct replacement part for your Glacier Bay® 2” Flush Valve Toilet.

  • Quickly restore flush performance to your Glacier Bay® Toilet
  • Designed to fit Glacier Bay® 2” flush valve toilets
  • Easy to install
  • Adjustable float – move down for more water, up for less water
  • Chlorine and hard water resistant**
  • Solid frame for the best seal- no twisting
  • Built-in Microban® technology
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for newer toilets, 1.28 and 1.6 GPF (after 1994).  Quickly solve running toilet, or leak problems with an adjustable toilet flapper. Featuring an adjustable float to optimize water use, and a solid frame to resist bending and secure a solid seal with every flush. Made to last this high quality flapper features chlorine resistant materials and built-in Microban®. Only Fluidmaster® has toilet flappers with Microban®, more than a coating, it is specifically built into the flapper itself to fight breakdown and bacteria. Restore your toilet’s flush with an adjustable flapper specially designed to fit Glacier Bay®.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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555C - Universal Flush Valve Repair Kit

Easily fix a deteriorated flush valve seat with the Fluidmaster PerforMAX® Flush Valve Repair Kit.

The PerforMAX Flush Valve Repair Kit is hands down the easiest way to fix leaks from your flush valve with no messy glue or tank removal necessary. Simply peel the protective paper off the sealant ring and stick it right on top of your existing flush valve seat!

This repair kit features a PerforMAX® water-saving flapper that is best for use in 1.28 – 3.5+ gallons per flush toilets.

  • Repair deteriorated flush valve seat without removing tank
  • Easy to install – No messy glue, just peel and stick!
  • PerforMAX® adjustable flapper to maximize water savings
  • Works with 2” flush valve toilets
  • Best for 1.28 – 3.5+ gallons per flush toilets

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500 - Universal Solid Frame 2" Flapper

Stop a running toilet with the Fluidmaster 500 Universal Toilet Flapper.

Unlike flexible flappers, the 500 flapper features a solid frame that doesn’t twist for the best seal every time – so you never have worry about jiggling the toilet handle again! The 500 Universal Flapper is best suited for use with 3.5+ gallons per flush toilets.

Only Fluidmaster has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specially built into the construction of our flappers to fight flapper breakdown and combat bacteria.

  • Fits most 2” flush valves
  • Solid frame for the best seal every time – no twisting
  • Built-in Microban®

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501 - Universal Solid Frame 2" Flapper

Stop a running toilet with the Fluidmaster 501 Universal Chlorine-Resistant Toilet Flapper.

The 501 flapper is built to last in any water condition with its chlorine-resistant properties. Unlike flexible flappers, the 501 flapper features a solid frame that doesn’t twist for the best seal every time – so you never have worry about jiggling the toilet handle again! The 500 Universal Flapper is best suited for use with 3.5+ gallons per flush toilets.

Only Fluidmaster has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specially built into the construction of our flappers to fight flapper breakdown and combat bacteria.

  • Fits most 2” flush valves
  • Chlorine and hard water resistant**
  • Solid frame for the best seal every time – no twisting
  • Built-in Microban®

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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506 - Universal Flexible Frame 2" Flapper

Stop a running toilet with the Fluidmaster 506 Universal Toilet Flapper.

Featuring a flexible design, the 506 flapper offers the versatility of fitting both flush valves with or without mounting ears. This flapper fits most 2” brass and plastic flush valves and is suitable for 3.5+ gallons per flush toilets.

  • Flexible design – fits on flush valves with or without mounting ears
  • Fits most 2” flush valves

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PRO55 Universal Adjustable Flexible Flapper

Give your customers a long lasting flapper seal with Fluidmaster’s PRO Series Flappers. Only Fluidmaster has toilet flappers with built-in Microban® protection that actively inhibits bacteria growth that contribute to flapper breakdown.

The PRO55 Flapper features an adjustable float so you can help your customers get the best flush performance. The flexible design allows it to fit most 2” flush valves with or without mounting ears. This flapper is best suited for 1.6 gallons per flush toilets.

  • Adjustable float for maximum performance and water savings
  • Chlorine and hard water resistant**
  • Flexible design – fits on flush valves with or without mounting ears
  • Fits most 2” flush valves
  • Built-in Microban®

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

 

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PRO56 Universal Adjustable Flapper w/Microban®

Give your customers a long lasting flapper seal with Fluidmaster’s PRO Series Flappers. Only Fluidmaster has toilet flappers with built-in Microban® protection that actively inhibits bacteria growth that contribute to flapper breakdown.

The PRO56 is our most versatile 2” Flapper. Giving you the most effective flushes, the PRO56 adjustable dial allows you to fine tune how much water is flushed. This feature makes it suitable for 1.28 – 3.5+ gallons per flush. The PRO56 Flapper is chlorine and hard water resistant, and comes equipped with a solid frame that won’t twist for a perfect seal every time.

  • Adjustable dial for maximum performance and water savings
  • Chlorine and hard water resistant**
  • Solid frame for the best seal every time – no twisting
  • Fits most 2” flush valves
  • Built-in Microban®

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

 

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PRO54 Chlorine Resistant Heavy Duty Flapper

Give your customers a long lasting flapper seal with Fluidmaster’s PRO Series Flappers. Only Fluidmaster has toilet flappers with built-in Microban® protection that actively inhibits bacteria growth that contribute to flapper breakdown.

The PRO54 flapper is chlorine** and hard water resistant. The flexible design allows it to fit most 2” flush valves with or without mounting ears. This flapper is best suited for 3.5+ gallons per flush toilets.

  • Chlorine and hard water resistant**
  • Flexible design – fits on flush valves with or without mounting ears
  • Fits most 2” flush valves
  • Built-in Microban®
  • Best for 3.5+ GPF toilets

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

 

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PRO53 Universal Flexible Flapper w/Microban®

Give your customers a long lasting flapper seal with Fluidmaster’s PRO Series Flappers. Only Fluidmaster has toilet flappers with built-in Microban® protection that actively inhibits bacteria growth that contribute to flapper breakdown.

The PRO53 Heavy Duty Flapper features a flexible design and is best suited for 3.5+ gallons per flush toilets.

  • Flexible design – fits on flush valves with or without mounting ears
  • Fits most 2” flush valves
  • Built-in Microban®
  • Best for 3.5+ GPF toilets

 

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402CARHR - PerforMAX® Fill Valve & 2-in. Flapper

Want to fix and upgrade your toilet while saving water and money?

The PerforMAX® Toilet Fill Valve and Flapper Repair Kit is the best solution for common toilet problems, such as:

  • Noisy Toilet
  • Toilet turns on by itself
  • Constant running toilet or leaky toilet
  • Toilet has weak flush or will not flush
  • Slow filling toilet
  • Toilet makes high pitch sound after flushing
  • Not enough water in toilet bowl

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The PerforMAX® All-In-One Kit is the premium solution to make your 2″ flush valve toilet run like new!

Note: This kit works well with all 2″ flush valve toilets including Kohler®, TOTO® and American Standard®

  • PerforMAX® products provide optimal performance while saving both water and money
  • Built in Microban® fights flapper breakdown due to bacteria on the flapper itself
  • Solid frame flapper eliminates twisting and ghost flushing
  • Hard water resistant
  • Anti-siphon operation, code approved
  • 7-year warranty

Consider upgrading to the 2″ Everything Kit

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To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

Please watch this video to see how easy it is to install this Kit:

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400CR - Fill Valve & 2-in. Flapper

This toilet repair kit comes with toilet replacement parts that include the fill valve and flapper for 2″ toilets.

Home Improvement Expert, Bob Vila, has named the 400CR as the “runner up” toilet repair kit after the 400ARHRK on his website. Click here to see Bob Vila’s top picks for toilet repair kits: Bob Vila’s Best Toilet Toilet Repair Kits

The 400CR has been independently rated to be one of the best fill valves (Runner-Up after the 400AH) for 2021 by Sanitary Review. Please click here to read the review: SanitaryReview

  • Features the proven 400A anti-siphon toilet fill valve
  • Includes the rugged 501 toilet flapper
  • Toilet Flapper is chlorine-resistant for harsh water regions**
  • Anti-siphon, code approved

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Includes both the 400A anti-siphon toilet fill valve and the 501 toilet flapper. This product is the perfect combination for 3.5 gpf toilets or larger made prior to 1994. This is the #1 solution to fix your noisy and running toilet.

Consider upgrading to the 2″ Everything Kit

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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400ARHRFCS - PerforMAX® Kit for 2-in. Flush

Want to fix and upgrade your toilet?

The PerforMAX® Toilet Fill Valve, Flapper and Click Seal Connector Kit is the best solution for common toilet problems, such as:

  • Noisy Toilet
  • Toilet turns on by itself
  • Constant running toilet or leaky toilet
  • Toilet has weak flush or will not flush
  • Slow filling toilet
  • Toilet makes high pitch sound after flushing
  • Not enough water in toilet bowl
  • Deteriorating or damaged connector

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The PerforMAX® Toilet Fill Valve, Flapper and Click Seal Connector Kit is the premium solution to repair your toilet at the most common leak points!

Note: This kit works with all 2” toilets including Kohler®, Toto® and American Standard®.

The features of this product are:

  • Toilet Flapper is Chlorine and hard water resistant**
  • Solid frame flapper for ultimate reliability – no twisting and best seal every time and eliminates ghost flushing
  • Click Seal® Connectors reduce risk of overtightening – clicks when proper seal is made
  • Length of connector is 12 inches
  • Anti-siphon operation, code approved

Consider upgrading to the 2″ Everything Kit

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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5084 - 2" Flapper, Kohler® & Other 1-Piece

  • Direct replacement toilet flapper for specific Kohler® 1-Piece Toilets
  • Fits Kohler® models: Rialto (3402), San Martine (3435), San Raphael (3395, 3397), Rosario (3434), San Miguel (3406), Rochelle (3406), Cabernet (3401, 3408), Palarre (3383), Pillow Talk (3378)
  • Easy to install
  • Durable metal chain included
  • Replaces old, leaky flappers
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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For use in Kohler® 1-piece model toilets with 2” flush valves. The 5084 Flapper is designed to be a direct replacement flapper for Kohler Rialto toilets as well as other models that will quickly restore performance to your toilet’s flush. This flapper is easy to install. To determine fit see model number details on the inside back wall of your toilet’s tank. Upgrade your faulty flapper with a replacement designed to restore flush performance, from the number one toilet repair brand worldwide.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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555C - 2" Universal Flush Valve Repair Kit with Flapper

Welcome to the world of the Fluidmaster 555C Universal Flush Valve Repair Kit! We understand that a properly functioning toilet is vital to your daily routine, and that’s why we have designed this versatile and durable kit to help you fix any toilet flush valve issue quickly and easily. With the Fluidmaster 555C Universal Flush Valve Repair Kit, you can say goodbye to constant toilet leaks and unexpected water wastage. This all-in-one kit features a high-quality flapper, a durable chain, and a sturdy flush valve seat, ensuring that your toilet will be up and running like new again.

Not only is our kit easy to install, but it is also incredibly versatile. The Fluidmaster 555C Universal Flush Valve Repair Kit fits most toilets and works with any 2-inch flush valve, making it the perfect solution for any homeowner or DIY enthusiast.

The 555C is a flapper and drain repair kit. The kit allows you to repair a damaged flush valve “drain seat” so that your new flapper can make a water tight seal. The advantage of this kit is that it allows you to repair a damaged flush valve without removing the tank and stop the water loss through the drain and flapper.

  • Fixes leaks on both 1 and 2-piece toilets with a 2″ flush valve
  • Restores flushing performance
  • Best for toilets made after 1985
  • If you have replaced the flapper and the toilet is still running, the 555C will resolve the issue
  • The putty will work on plastic, ceramic and metal drain seats and will come off easily after years of use
  • No tank removal, very simple to install
  • Fixes damaged flush valve seats without removing your toilet tank
  • PerforMAX® adjustable flapper included which is removable
  • The higher the number on the flapper, the longer the flapper will stay open
  • Chlorine Resistant
  • 5 year warranty

Home Improvement Expert, Bob Vila, independently rates the 555C as the “best bang for the buck” for flush valves. Click here to see Bob Vila’s top picks for flush valves: Bob Vila’s Best Toilet Flush Valves

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for use in 1.28, 1.6 and 3.5 GPF toilets.  Installing the 555C is the quickest and easiest way to fix leaks from your flush valve, with its no tank removal “peel and stick” process. Simply peel the protective paper off the sealant ring and stick right on top of your existing 2” flush valve seat, it’s that simple. The included PerforMAX® 2” Adjustable Flapper, has an adjustable dial for a customized flush and water-savings. Other features include a solid frame flapper design to ensure a secure seal and eliminate twisting, and built-in Microban® technology to fight bacteria on the flapper itself. Quickly repair leaks, while upgrading your flapper with the PerforMAX® Flush Valve Repair Kit.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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5083 - Hinged 2" Flapper - Kohler® 1-Piece

  •  Direct replacement toilet flapper for specific Kohler® 1-Piece Toilets
  • Fits Kohler® models: San Raphael (93384; cb, rev.), Rialto (3386; da, ea, fa, revs.), Rosario (3434; fb, revs.)
  • Easy to install
  • Durable metal chain included
  • Replace corroded, leaky flappers
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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For use in Kohler® 1-piece model toilets, with 2” flush valves. The 5083 Hinged Flapper for Kohler® 1-Piece Toilets is designed to be a direct replacement flapper that will restore performance to your toilet’s flush. This flapper is easy to install. To determine fit see model number details on the inside back wall of your toilet’s tank. Trust the number one toilet brand worldwide, to design a replacement flapper to specifically fit and upgrade your Kohler® 1-Piece Toilet.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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5082 - 2" Flapper - Kohler® 1-Piece

  • Direct replacement toilet flapper for specific Kohler® 1-Piece Toilets
  • Fits Kohler® models: San Raphael (3384, aa, ba, revs.), Rialto (3386, aa, ba, ca, revs.), Santa Rosa (3323), Revival (3360), Gabrielle (3322), Memoirs (3451, 3453), Portrait (3357), Ankara (14230-TF)
  • Easy to install
  • Durable metal chain included
  • Replace and upgrade old, leaky shark fin flappers
  • 5 year warranty
  • For use in Kohler® 1-piece model toilets, with 2” flush valves

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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The 5082 Shark Fin Flapper for Kohler® 1-Piece Toilets is designed to be a direct replacement flapper to quickly restore performance to your toilets flush. To determine fit, see model number details on the inside back wall of your toilet’s tank. Installation is fast and easy on this durable design. Trust the number one toilet brand worldwide, to upgrade your faulty flapper with a replacement designed to fit and restore flush performance.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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5051 - Universal Water Saving 2" Flapper

  • Stop a running toilet with Fluidmaster®’s 5051 Water-Saving Adjustable Flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Adjustable float – move down for more water, up for less water
  • Chlorine and hard water resistant**
  • Flexible design – fits on flush valves with, or without mounting ears
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for newer toilets, 1.6 GPF (after 1994). Quickly stop a running toilet and upgrade your flapper to Fluidmaster®’s 5051 Water-Saving Adjustable Flapper. Built for a universal fit on most 2” flush valve toilets, highlighted by its versatile design. Featuring a flexible frame to fit flush valves with or without mounting ears, and an adjustable float, to regulate how much water is used per flush. Simple move the float up for less water, or down for more depending on your needs. Durable construction to resist chlorine breakdown, with built-in Microban® technology. Only Fluidmaster® has toilet flappers with built-in Microban®, more than a coating, it is specifically built into the flapper itself to fight breakdown and bacteria. Control your water use with the Fluidmaster® 5051 Water-Saving Adjustable 2” Flapper.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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506 - Universal Flexible Frame 2" Flapper

  • Stop a running toilet with this universal toilet flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Flexible design – fits on flush valves with, or without mounting ears
  • Fits most brands
  • 1 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for older toilets, 3.5 GPF or more (before 1994). The Fluidmaster® 506 Universal Toilet Flapper is designed to be a simple and easy to install replacement toilet flapper. Featuring a flexible design this flapper can be used on flush valves with, or without mounting ears. A universal fit with most brands, and most 2” brass, or plastic flush valves. Quickly replace an outdated or leaky flapper. For best use in older 3.5+ GPF toilets, this flapper offers fast installation combined with a universal fit, to make solving common flapper problems easier.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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501 - Universal Solid Frame 2" Flapper

  • Stop a running toilet with Fluidmaster®’s 501 Solid Frame, Chlorine-Resistant Toilet Flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Solid frame for the best seal – no twisting
  • Chorine and hard water resistant**
  • Kink-free chain
  • Built-in Microban® technology
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for older toilets, 3.5 GPF or more (before 1994). The Fluidmaster® 501 Universal Chlorine-Resistant Toilet Flapper is designed to be a longer lasting and high quality flapper replacement, to fit most 2” flush valves. Built tough to last in any water condition, with chlorine-resistant materials and built-in Microban®. Only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specifically built into the construction of our flappers to fight flapper breakdown and combat bacteria. The solid frame ensures a secure seal, by resisting bending, or twisting during flushing, so you never have to jiggle the toilet handle again. Replace your leaky, or faulty flapper now, with Fluidmaster®’s 501 Solid Frame Universal Flapper.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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To watch a video and learn how to install the 501 Flapper, please click here:

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500 - Universal Solid Frame 2" Flapper

  • Quickly stop a running toilet with Fluidmaster®’s 500 Universal Solid Frame Toilet Flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Solid frame for the best seal – no twisting
  • Kink-free chain
  • Built-in Microban® technology
  • 1 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for older toilets, 3.5 GPF or more (before 1994). The Fluidmaster® 500 Universal 2” Toilet Flapper features a solid frame design, to resist bending, or twisting and secure the best seal with every flush. Eliminate having to jiggle the toilet handle with this universal design that fits most 2” flush valve toilets. Includes a 1 year warranty and built-in Microban® technology. Only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specifically built into the construction of our flappers to fight flapper breakdown and combat bacteria. Upgrade your old toilet flapper to a high-quality replacement, the Fluidmaster® Universal Toilet Flapper.
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To see how to install the 500 Flapper, please watch this video:

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503 - Universal Flexible Frame 2" Flapper

  • Stop a running toilet with this universal toilet flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Flexible design – fits on flush valves with, or without mounting ears
  • Kink-free metal chain
  • Built-in Microban® technology
  • 1 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

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Best for older toilets, 3.5 GPF or more (before 1994). The Fluidmaster® 503 Universal Toilet Flapper is designed to be a quick and effective replacement toilet flapper. With a flexible design, this flapper can be used on flush valves with, or without mounting ears, and fits most 2” brass, or plastic flush valves. Quickly replace old problem flappers with this universal design. The included kink-free metal chain eliminates flapper hang up, while the built-in Microban® extends flapper usage. Only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specifically built into the construction of our flappers to fight flapper breakdown and combat bacteria. The Fluidmaster® 503 2” flapper, a flexible design for your toilet.
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502 - PerforMAX® Adjustable 2" Flapper

 

You can purchase this 2″ universal flapper from the Fluidmaster Online Store

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Buyer’s Guide rates the 502 flapper as the “Best Toilet Flapper” in 2024. Click here to read the article: Best Toilet Flappers

The Thomas Guide names the 502 flapper as the best toilet flapper of 2023, according to 38,000+ customer reviews. Click here to read the article: Best Toilet Flapper

Do you ever find yourself struggling with a weak toilet flush? It can be frustrating when your toilet doesn’t have the power to properly flush everything away. That’s why we created the 502 Fluidmaster 2″ toilet flapper, an easy-to-install fix for weak toilet flushes.

Our flapper features a unique design that increases the amount of water flowing into your toilet bowl with each flush, ensuring a powerful and thorough flush every time. It’s made of high-quality materials, ensuring long-lasting performance and reliability.

Not only is our 502 Fluidmaster 2″ flapper effective, but it’s also easy to install. It’s compatible with most toilets and can be installed in just a few minutes without the need for any special tools.

Investing in the 502 Fluidmaster 2″ flapper will not only solve your weak toilet flush problem but also save you money in the long run by reducing water waste. So why wait? Get yours today and enjoy a powerful flush every time!

The Fluidmaster 502 flapper for 2″ toilets will fix:

  • Weak and slow toilet flush
  • Double flush – toilet flushing twice
  • Running toilet – Water leaking from tank into the toilet bowl
  • Water waste – using too much water

Please see the FAQ section below to determine if you have a 2″ toilet.

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Home Improvement Expert, Bob Vila, independently rates the 502 flapper as the best overall 2-inch flapper for running toilets. Click here to see BobVila.com’s top picks for flappers: Bob Vila’s Best Flapper Replacements

Sensible Digs, a website dedicated to helping homeowners, independently picked the 502 flapper as the “best adjustable toilet flapper” of 2023.

Homesthetics names the 502 as their top pick amongst toilet flappers for 2023. Click here to read the article: 502 is Top Pick

Allabouttoilet.com rates the 502 as the best toilet flapper for 2023. Click here to see the rankings: 502 is #1 flapper

Benefits of this top-rated 502 toilet flapper include:

  • It is chlorine and hard water resistant**
  • It will fit most 2” flush valves
  • Very easy for you to install
  • You can control the amount of water during flush to save water
  • You can turn the dial on the flapper to a higher number so it will let the flapper stay open for a longer flush
  • It provides the the best seal and no twisting due to the solid frame
  • This flapper is included in the 555C Flush Valve Repair Kit with Flapper
  • 5 year warranty

Best for ALL toilets, 1.28, 1.6, 3.5+ GPF (gallons per flush). Fluidmaster® sets the high performance standard with the 502 PerforMAX® Water-Saving, Adjustable Flapper.

In addition, only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specifically built into the construction of our flappers to fight flapper breakdown and combat bacteria for a long lifespan. The Fluidmaster® 502 Flapper quickly replaces and upgrades old, or corroded 2” toilet flappers with a high performance and durable replacement.

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** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

News

Other About Fluidmaster Pages

< Back to News

504 - Universal Flexible Frame 2" Flapper

Buyer’s Guide rates the 504 flapper as the “Best Value Flapper” in 2024. Click here to read the article: Best Toilet Flappers

The 504 toilet flapper is best for older toilets that require a 2″ flapper. This flapper is the #1 pick amongst toilet flappers in 2022 by FindThisBest.com

  • Stop a running toilet with the durable Fluidmaster® 504 Chlorine-Resistant Toilet Flapper
  • Universal – Fits most 2” flush valves
  • Easy to install
  • Flexible design – fits on flush valves with, or without mounting ears
  • Chorine and hard water resistant**
  • Kink-free metal chain
  • Built-in Microban® technology
  • 5 year warranty

To download our free guide to fix common toilet problems please click here: Fluidmaster Toilet Repair Guide

Read More
Best for older toilets, 3.5 GPF or more (before 1994). Fluidmaster®’s 504 Long-Lasting Toilet Flapper is designed to withstand harsh water conditions. Featuring chlorine-resistant material and built-in Microban® to extend lifespan. Only Fluidmaster® has toilet flappers with built-in Microban® protection. Not just simply a coating, Microban® is specially built into the construction of our flappers to fight flapper breakdown and combat bacteria. This versatile flexible frame design fits flush valves with or without mounting ears, and works with most 2” brass and plastic flush valves. Quickly eliminate water waste due to a faulty flapper with Fluidmaster®’s 504 Universal Chlorine-Resistant long-Lasting Toilet Flapper.

** DO NOT USE IN-TANK DROP-IN TOILET BOWL CLEANERS CONTAINING BLEACH OR CHLORINE. USE OF SUCH PRODUCTS WILL RESULT IN DAMAGE TO TANK COMPONENTS AND MAY CAUSE FLOODING AND PROPERTY DAMAGE. USE OF SUCH PRODUCTS WILL VOID THIS WARRANTY. Instead, we recommend using Flush ‘n Sparkle® automatic toilet bowl cleaner.

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