Best Toilet Flush valve in 2023 (Reviews & Comparison)

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We all know the feeling of panic that sets in when we realize we’ve forgotten to flush the toilet. A top-tier toilet flush valve can help with that. These valves are designed to fit most toilets and are easy to install.

We carefully reviewed some of the very best products on the market to help you choose the perfect toilet flush valve for your needs. This valve list will save you time from having to sift through all types of products. 

We understand that everyone has different needs when it comes to toilets, so we took durability, budget-friendliness, and smooth flushing action into consideration while engineering our options. You’re sure to find the perfect toilet for you.

Check out our detailed review, and let us guide you to the perfect flush!

COMPARISON CHART

IMAGE PRODUCT

Fluidmaster 507AKP7 PerforMAX Universal High Performance 2-Inch Toilet Flush Valve Repair Kit with Gasket and Bolts

1. Fluidmaster 507AKP7 PerforMAX Toilet Flush Valve Repair Kit
  • Enhances the power of your toilet
  • Optimize flush performance
  • Easy installation
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American Standard 3174105-0070A Champion Universal Replacement Flush Valve

2. American Standard 3174105-0070A Champion Universal Replacement Flush Valve
  • 7-inch tube
  • 3/4 in. chain length
  • 1-year warranty
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Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 10.8 L x 3.5 W x 3.5 H inches

3. Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit
  • Kohler Genuine Part
  • Canister flush valve kit for Kohler Cimarron toilets
  • 3″ canister with a 3″ outlet
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American Standard 3280.040-0070A 4-Inch Flush Valve Assembly for Champion One Piece Toilets

4. American Standard 3280.040-0070A 4-Inch Flush Valve
  • Durable construction
  • Reliable performance
  • Easy to install
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Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve with Push-Button Handle

5. Next by Danco HYR270 Hydro right Water-Saving Dual Flush Valve
  • Easy no tools required
  • Durable construction
  • Built to last
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1. Fluidmaster 507AKP7 PerforMAX Toilet Flush Valve Repair Kit

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Fluidmaster 507AKP7 PerforMAX Universal High Performance 2-Inch Toilet Flush Valve Repair Kit with Gasket and Bolts

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Fluidmaster 507AKP7 PerforMAX Universal High Performance 2-Inch Toilet Flush Valve Repair Kit with Gasket and Bolts

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Fluidmaster 507AKP7 PerforMAX Universal High Performance 2-Inch Toilet Flush Valve Repair Kit with Gasket and Bolts

Specification

Brand:Fluidmaster
Item Weight‎:13.6 ounces
Product Dimensions‎:23.5 x 5 x 14.5 inches
Size:2 Inch
Color‎:Black/Red
Style:‎Kit
Voltage‎:120 Volts
Water Consumption‎:1 Gallon

Features

  • Enhances the power of your toilet
  • Optimize flush performance
  • Easy installation
  • Replaces any 2″ flush valve in a two-piece toilet
  • Saves water and stops leaks at the drain
  • Includes adjustable flapper for efficient,
  • Includes bolts and gasket
  • ‎5-year limited warranty

The Fluidmaster toilet repair kit strengthens your toilet’s power and makes flushing more efficient. If your two-piece toilet has a 2″ flush valve, this easy-to-install kit will do the trick. Not only does it save water by stopping leaks at the drain, but it also enhances your bathroom experience as a whole.

The kit includes an adjustable flapper for efficient and reliable performance, as well as all the necessary mounting hardware. Additionally, it comes with a 5-year limited warranty for added peace of mind.

WHAT WE LIKE

The Fluidmaster toilet fill valve and flapper repair kit is a great option for anyone looking to enhance the power of their toilet. This easy-to-install kit includes an adjustable flapper for efficient, water-saving performance. The durable construction of this product coupled with the 5-year limited warranty are other reasons we appreciate it.

After installation, you will notice improved flushing power in your toilet. Plus, it’s easy to install and replace any 2″ flush valve in a two-piece toilet! Not only does this product save water but it also stops leaks at the drain. You’ll love the adjustable flapper for efficient use as well as bolts and a gasket included in this package!

WHAT WE DON’T LIKE

While this toilet repair kit is generally high quality and reliable, some users may find the adjustable flapper to be a bit difficult to use.

PROS

  • Universal design
  • Corrosion resistant
  • Made of hard water-resistant materials
  • Powerful flushes each time
  • Corrosion-resistant
  • Leak detection
  • Adjustable fill valve

CONS

  • Adjustable flapper to be a bit difficult to use.

2. American Standard 3174105-0070A Champion Universal Replacement Flush Valve – Best for Two-Piece Toilets

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American Standard 3174105-0070A Champion Universal Replacement Flush Valve

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American Standard 3174105-0070A Champion Universal Replacement Flush Valve

CHECK PRICE

American Standard 3174105-0070A Champion Universal Replacement Flush Valve

Specification

Brand:American Standard
Material:Plastic, Metal
Item Dimensions LxWxH:14 x 5.5 x 5.5 inches
Certification:Certified frustration-free
Size:1 Pack
Color: ‎‎Black
Material‎:Plastic, Metal

Features

  • Universal replacement part for Champion 4 flushing system
  • For use with any Champion line of two-piece toilet
  • 7-inch tube
  • 3/4 in. chain length
  • 1-year warranty

The American Standard 3174105-0070A Champion Universal Replacement Flush Valve is a universal replacement part for use with any Champion 4 flushing system in a two-piece toilet. It features a 7-inch tube and a 3/4-inch chain length, along with all the necessary mounting hardware.

This product is made of durable plastic and metal, and it comes with a 1-year warranty for added peace of mind. Out of all the toilet flush valve kits on the market, this one is the best for two-piece toilets making it easy to install and durable.

WHAT WE LIKE

If you’re looking for an easy and reliable way to improve the performance of your toilet, the American Standard 3174105-0070A Champion Universal Replacement Flush Valve is a great option.

It’s easy to install and provides powerful, efficient flushes each time. Plus, it’s designed to be corrosion-resistant and made of hard, water-resistant materials for long-lasting use. And with its universal design, it’s a great choice for any two-piece toilet.

We also appreciate the 1-year warranty that comes with this product, as well as its corrosion-resistant materials and leak-detection features. Overall, this is a great choice for anyone looking to improve their toilet’s performance and reliability.

WHAT WE DON’T LIKE

Some users may find that the 3/4-inch chain length is not long enough for their needs. However, this is a minor issue that can be easily addressed by lengthening the chain with some simple DIY modifications.

Overall, we think that the American Standard 3174105-0070A Champion Universal Replacement Flush Valve is a great choice for anyone looking to replace their toilet’s flushing system and save water at the same time.

PROS

  • Easy to install
  • Universal replacement part
  • Compatible with any Champion series toilet
  • Made of durable and high-quality materials
  • Conserves water and prevents leaks
  • Great flush evacuates waste with ease
  • Priced affordably

CONS

  • For use with the Champion line of toilets
  • The 3/4-inch chain length is not long enough

3. Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit – Best 3-Inch

CHECK PRICE

Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 10.8 L x 3.5 W x 3.5 H inches

CHECK PRICE

Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 10.8 L x 3.5 W x 3.5 H inches

CHECK PRICE

Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 10.8 L x 3.5 W x 3.5 H inches

Specification

Brand:Kohler
Material:Brass
Item Dimensions LxWxH:10.8 x 3.5 x 3.5 inches
Exterior Finish:Plastic
Outlet Connection Size:3 Inches
Color‎:Original version
Style‎:Kit
Material:‎Brass

Features

  • Kohler Genuine Part
  • Canister flush valve kit for Kohler Cimarron toilets
  • 3″ canister with a 3″ outlet
  • Compatible with Kohler Cimarron tank model number K-4634
  • Look inside the back wall of the toilet tank to identify the tank model number
  • Complete assembly with tank-to-bowl gasket
  • 1 year warranty

The Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit is an essential replacement part for use with the Kohler Cimarron toilet line. This canister flush valve kit fits into the back wall of your toilet tank and includes a 3-inch outlet with all the necessary mounting hardware.

Made of high-quality brass materials, this product is durable and built to last. And with its 1-year warranty, you can rest assured that you’re getting a quality product.

WHAT WE LIKE

The Kohler Genuine Part 1083980 3″ Toilet Canister Flush Valve Kit is a high-quality replacement part designed specifically for use with the Kohler Cimarron toilet line.

It features a durable brass construction and includes everything you need to quickly and easily install it in your toilet tank, including a 3-inch outlet and all necessary mounting hardware.

Additionally, we appreciate that it’s compatible with the Kohler Cimarron tank model number K-4634, allowing you to find a perfect fit for your toilet.

The canister flush valve kit for Kohler Cimarron toilets has a 3-inch inlet and a 3-inch outlet. The assembly comes with a tank-to-bowl gasket and is only compatible with Kohler Cimarron 1.6gpf tanks.

WHAT WE DON’T LIKE

This product may not be compatible with all Kohler Cimarron toilets. It does not come with any repair hardware or lid, so you may need to purchase those separately.

PROS

  • Easy to install
  • Universal replacement part
  • Includes gaskets and all necessary parts
  • Genuine Kohler part
  • 360-degree flow
  • 3-inch ABS plastic valve valve
  • Fill line points for water level accuracy
  • Instructions for installation included

CONS

  • Does not come with any repair hardware
  • May not be compatible with non-Kohler toilet models

4. American Standard 3280.040-0070A 4-Inch Flush Valve – Best 4-Inch

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American Standard 3280.040-0070A 4-Inch Flush Valve Assembly for Champion One Piece Toilets

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American Standard 3280.040-0070A 4-Inch Flush Valve Assembly for Champion One Piece Toilets

CHECK PRICE

American Standard 3280.040-0070A 4-Inch Flush Valve Assembly for Champion One Piece Toilets

Specification

Brand:American Standard
Material:Plastic
Item Dimensions LxWxH:10.3 x 7 x 6.4 inches
Exterior Finish:Plastic, Rubber
Certification:Certified frustration-free
Item Weight:‎4 ounces
Color‎:Black

Features

  • For use with American standard champion toilet
  • Compatible with champion 4 right height elongated one piece
  • 1.6 gpf toilet model
  • Durable construction
  • Reliable performance
  • Easy to install
  • 1 year warranty

The American Standard 3280.040-0070A 4-Inch Flush Valve is a high-quality replacement part designed specifically for use with the American Standard Champion toilet line.

Made from durable plastic and rubber materials, this flush valve is built to last and provides reliable performance in even the most demanding situations. And with its easy installation process, you can quickly and easily get your toilet back up and running in no time at all.

WHAT WE LIKE

The American Standard 3280.040-0070A 4-Inch Flush Valve is a premium replacement part designed specifically for use with the American Standard Champion toilet line.

Made from high-quality plastic and rubber materials, it offers reliable performance and durability in even the most demanding situations. And with its easy installation process, you can get your toilet back up and running quickly, with no hassle or frustration.

Whether you need to replace a faulty part or want to upgrade your existing toilet for better performance, this flush valve is the ideal choice. We love the easy installation process of this flush valve, as well as its compatibility with a variety of American Standard Champion toilet models.

WHAT WE DON’T LIKE

Some users have noted that this flush valve does not always seal properly, which can result in leaks and other issues.

PROS

  • Durable and high-quality construction
  • Easy to install and compatible with many American Standard toilet models
  • Reliable performance and strong flushing power
  • Certified frustration-free and backed by a 1-year warranty

CONS

  • Flush valve does not always seal properly

5. Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve – Best Dual

CHECK PRICE

Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve with Push-Button Handle

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Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve with Push-Button Handle

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Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve with Push-Button Handle

Specification

Brand:Danco
Material:Plastic
Item Dimensions LxWxH:4 x 3 x 10.5 inches
Size:1 Pack
Color:‎Chrome
Style‎:Push Button
Material:‎Plastic
Number of Handles:1

Features

  • Water-saving toilet flush valve
  • Repairs common leaky toilet issues
  • Fits 1.6 to 3.5+ GPF
  • Standard 2-piece toilets 
  • Easy no tools required
  • Durable construction
  • Built to last
  • 1-year warranty

The Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve is a premium water-saving solution designed to repair common leaky toilet issues. Whether you’re dealing with a slow-flushing toilet, low water levels, or other problems, this dual flush valve can help.

Made from durable plastic materials, this flush valve is built to last and is easy to install with no tools required. Plus, it comes with a 1-year warranty for added peace of mind.

WHAT WE LIKE

The Next by Danco HYR270 Hydroright Water-Saving Dual Flush Valve is a premium water-saving solution for toilets that are experiencing common issues like slow flushing, low water levels, or other problems.

Made from durable plastic materials, this flush valve is built to last and is compatible with 1.6-3.5+ GPF toilets in both standard 2-piece and 3-piece designs.

We love the durable construction and water-saving design of this dual flush valve, as well as its easy installation process. The fact that it requires no tools to install also makes it a great choice for busy homes or rental properties where you don’t want to spend much time and effort on repairs.

And with its 1-year warranty, you can rest assured that you’re protected against any issues or defects.

WHAT WE DON’T LIKE

Some users have noted that this dual flush valve can be tricky to adjust properly and that it may need frequent cleaning in order to function optimally.

PROS

  • Uses up to 70 percent less water for liquids and paper
  • Installs without tools in 5 to 10 minutes
  • Works with all standard-flush valves
  • Made from high-quality, durable plastic

CONS

  • Dual flush valve can be tricky to adjust

Conclusion

After going through all the best options our favorite is Fluidmaster 507AKP7 PerforMAX Toilet Flush Valve Repair Kit for its durable construction, easy installation process, and reliable performance.

Whether you’re dealing with a slow-flushing toilet or low water levels, this flush valve can help quickly and easily restore your toilet to its proper functioning.

This product replaces any 2″ flush valve in a two-piece toilet, saving water and stopping leaks at the drain. The adjustable flapper included with this purchase guarantees an efficient seal. The best part is the 5-year limited warranty, so you can rest assured that your investment is protected.

So if you’re looking for a hassle-free way to repair leaky toilet issues, be sure to check out this toilet flush valve repair kit.

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