July 26, 2025

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Fluidmaster Flush Valves of 2025

Save up to 45% off

Best Choice

1

Fluidmaster
Fluidmaster 550DFRK-3 DuoFlush Complete Fill and Dual Flush Conversion System, 2
Main highlights

Water and Cost Efficiency
Convert your existing toilet to Dual Flush, saving up to 45% water.

Versatile Compatibility
Retrofits to any 2 flush valve toilet, ideal for 1.6 GPF and pre-1994 models.

Ease of Installation
Praised for easy installation with helpful online videos.
9.9

Exceptional

Our Rating

9.1
Easy installation

8.4
Instruction

8.2
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Fluidmaster
Fluidmaster 400A133 Premium Filling Valve Universal High Performance Toilet Fill Valve - 3 Pack
Main highlights

Key Features and Benefits
Ultra-quiet operation with powerful filling, adjustable height (9-14 inches), and water usage control. Outperforms old, noisy valves with a 7-year warranty.

Ideal Use Cases
Perfect for upgrading inefficient, loud toilets in any home or commercial setting, ensuring a quiet and efficient bathroom experience.

Customer Reviews Highlight
Most reviews praise its easy installation and significant noise reduction, making it a favorite for a peaceful bathroom environment.
9.8

Exceptional

Our Rating

9.9
Easy installation

9.3
Instruction

9.3
Noise level
3

Fluidmaster
Fluidmaster 3-Inch Dual Flush Valve Replacement for 2-Piece Toilets including Glacier Bay, Aquasource and more
Main highlights

Key Features
Easy installation, superior flushing for solids/liquids, adjustable flush settings for water savings and peak performance.

Ideal Use Cases
Perfect for Glacier Bay, AquaSource, Project Source 2-piece toilets; restores factory performance, especially in dual flush systems.

Customer Praise
Most reviews highlight the significant improvement in flushing power and water efficiency, making it a highly recommended upgrade.
9.5

Excellent

Our Rating

9.9
Instruction

9.9
Tech Support

9.5
lasts a long time
4

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.
9.4

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.9
Instruction
5

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.
9.3

Excellent

Our Rating

9.9
Easy installation

9.5
Instruction

9.3
worth the money
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6

Fluidmaster
Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor
Main highlights

Complete Repair Kit
Includes all necessary parts and tools for toilet repair.

Ideal for DIY Enthusiasts
Perfect for amateur and professional use for toilet fixes.

Highly Praised for Easy Installation
Customers love the straightforward installation process.
Key specs
- size:No Size
- material:Plastic
- installation:Toilet
- warranty:7 Year Limited
- included components:Fill Valve, Flush Valve, Gasket, Hardware, Tools, Clip, Locknut
9.0

Excellent

Our Rating

9.9
Tech Support

9.3
Instruction

9.3
Easy installation
7

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

45% Off
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.
8.9

Very Good

Our Rating

9.3
Simple to use

9.1
Easy installation

8.9
Instruction
8

Fluidmaster

Fluidmaster 400A-019 Brass Shank Toilet Fill Valve

29% Off
8.7

Very Good

Our Rating
9

Fluidmaster

Fluidmaster 550DFR-1 DuoFlush Dual Flush Conversion Valve
8.5

Good

Our Rating
10

Fluidmaster

Fluidmaster K-400H-038-T4 PerforMAX 3 in. Everything Toilet repair kit, No Size, Multi

16% Off
8.4

Good

Our Rating

9.3
Instruction

9.1
worth the money

8.9
Easy installation

Fluidmaster Flush Valves of 2025

1

Fluidmaster 550DFRK-3 DuoFlush Complete Fill and Dual Flush Conversion System, 2

9.1

8.4

8.2

How do we rank?

How do we rank?

Analyzing top stores

2

Fluidmaster 400A133 Premium Filling Valve Universal High Performance Toilet Fill Valve - 3 Pack

9.9

9.3

9.3

3

Fluidmaster 3-Inch Dual Flush Valve Replacement for 2-Piece Toilets including Glacier Bay, Aquasource and more

9.9

9.9

9.5

4

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

9.3

9.1

8.9

5

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

9.9

9.5

9.3

6

Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor

9.9

9.3

9.3

7

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

9.3

9.1

8.9

8

Fluidmaster 400A-019 Brass Shank Toilet Fill Valve

9

Fluidmaster 550DFR-1 DuoFlush Dual Flush Conversion Valve

10

Fluidmaster K-400H-038-T4 PerforMAX 3 in. Everything Toilet repair kit, No Size, Multi

9.3

9.1

8.9

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