10 Best toilet flush valves of 2025

Save up to 34% off

Best Choice

1

Fluidmaster

Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue
9.8

Exceptional

Our Rating
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Value for Money

2

Fluidmaster
Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install
Main highlights

Restores Toilet Performance
All-in-one repair kit replaces fill and flush valves.

Ideal for Universal Toilets
Fits most 2-inch flush valve toilets, 1.6 to 3.5 GPF.

Praised for Easy Installation
Simple installation process often takes 10 minutes or less.
9.7

Exceptional

Our Rating

9.3
Simple to use

9.1
Easy installation

8.9
Instruction
3

Fluidmaster
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
Main highlights

Powerful and Quiet Performance
Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve available.

Ideal for Home Improvement
Universal fit for most toilet models and brands, perfect for DIY installations.

Ease of Installation
Customers praise the easy installation with step-by-step instructions included.
9.6

Exceptional

Our Rating

9.7
Easy installation

9.5
Instruction

9.3
worth the money
4

Fluidmaster
Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit
Main highlights

High Performance and Easy Installation
The PerforMAX fill valve and flapper kit offers high performance and is easy to install, making your toilet run like new.

Perfect for Home DIY Projects
Ideal for both amateurs and professionals, it's a great choice for DIY toilet repairs and upgrades.

Reliable and Adjustable Water Control
Customers praise its reliability and easy water level adjustment, enhancing toilet efficiency.
9.5

Excellent

Our Rating

9.9
Easy installation

9.5
Instruction

9.3
worth the money
5

SOLPKD

Toilet Replacement Parts,Toilet Flush Valve Assembly for One-Piece Toilets with Flapper and Chain 3-Inch Replacement Parts, Repair Kit, Easy Install
9.4

Excellent

Our Rating
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6

Korky
Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP
Main highlights

Universal Fit and Easy Installation
Fits 99% of toilets and installs in under 10 minutes.

Ideal for Toilet Upgrades
Perfect for replacing old or noisy valves in 1-piece and 2-piece toilets.

Enhanced Quiet Performance
Reduces toilet noise, praised for quieter operation than previous valves.
9.2

Excellent

Our Rating

9.7
Easy installation

9.1
Instruction

8.9
worth the money
7

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

Enhances Toilet Performance
Replaces old fill valves to repair leaks and optimize flushing.

Ideal for Older Toilets
Perfect for 3.5 gallons per flush two-piece toilets.

Praised for Easy Installation
Customers appreciate the simple installation process.
9.1

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.9
Instruction
8

Korky
Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528

34% Off
Main highlights

Universal Compatibility
Fits most 2-piece & 1-piece toilets, replacing old valves.

Quick Installation
Ideal for quick toilet repairs, installs in under 5 minutes.

Longevity Praised
Customers appreciate its durability and long-lasting performance.
Key specs
- material:Plastic
- usage:Toilet repair
- valve:Universal fill valve
- dimensions:4 x 2.25 x 7.75 inches
- color:Black
8.9

Very Good

Our Rating

9.7
Easy installation

9.5
worth the money

9.5
Instruction
9

Korky

Korky QuietFILL 2X Long Life Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528X
8.8

Very Good

Our Rating
10

KOHLER
KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

29% Off
Main highlights

Key Features
Harnesses gravity for flush efficiency, compatible with specific KOHLER Cimarron models, includes complete assembly with gasket.

Ideal Use Cases
Perfect for upgrading KOHLER Cimarron toilets K-4418 and K-4369, ensuring optimal flush performance and water conservation.

Customer Praise
Most reviews highlight its perfect fit and ease of installation, significantly improving flush power and efficiency.
Key specs
- material:Metal
- usage:Flush performance
- valve:Toilet Flush Valve
- dimensions:3.25 x 3.25 x 10.87 inches
- color:N/A
8.7

Very Good

Our Rating

9.9
Long life

9.7
worth the money

9.7
Easy installation

10 Best toilet flush valves of 2025

1

Fluidmaster 400H-5003 Performax Universal Toilet Fill Valve with Tank and Bowl Water Control 2-Pack, Blue

How do we rank?

How do we rank?

Analyzing top stores

2

Fluidmaster 400AKR Universal All in One Toilet Repair Kit for 2-Inch Flush Valves, Easy Install

9.3

9.1

8.9

3

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

9.7

9.5

9.3

4

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

9.9

9.5

9.3

5

Toilet Replacement Parts,Toilet Flush Valve Assembly for One-Piece Toilets with Flapper and Chain 3-Inch Replacement Parts, Repair Kit, Easy Install

6

Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528MP

9.7

9.1

8.9

7

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

9.3

9.1

8.9

8

Korky QuietFILL Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528

9.7

9.5

9.5

9

Korky QuietFILL 2X Long Life Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528X

10

KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

9.9

9.7

9.7

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