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K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit

  • Quickly repair your toilet’s fill and eliminate leaks on your Mansfield toilet
  • Easy installation, specifically designed to fit Mansfield #210 and #211 models
  • Includes: 400A Universal toilet fill valve, Mansfield specialty flush valve seal and a Mansfield chrome finish tank lever
  • Easy-to-turn tank water level adjustment dial to save water
  • Pre-installed shank washer for simple installation
  • EZ-Twist height adjusts from 9 in. to 14 in. to fit most tanks
  • Durable silicone seals – last 10x longer than standard material
  • Chlorine and hard water resistant
  • 5-year warranty

Best for use in older toilets, 3.5 GPF or more (before 1994).

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

The Fluidmaster K-400A-023 Mansfield Toilet Fill Valve and Flush Valve Seal Repair Kit is designed specifically to repair your Mansfield brand toilet. Featuring parts made to improve the fill and flush performance of both Mansfield #210 toilets and Mansfield #211 toilets. Quickly fix leaks and solve slow fill and running toilet problems with this toilet repair kit. Including the 400A toilet fill valve, a universal anti-siphon design for quicker refill and long lasting performance. Also showcasing Mansfield toilet parts, such as the 510M Mansfield flush valve seal replacement and a Mansfield flush lever replacement. Key features include: Tank water level adjustment dial, adjustable fill valve height, durable hard water resistant seals and a stylish chrome finish toilet tank lever. Upgrade your Mansfield toilet fast with the Fluidmaster Mansfield Toilet Repair Kit.

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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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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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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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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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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

Read More
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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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

Read More
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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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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