10 Best Toilet Flush Valve Size In The Us

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Last Updated - November 26, 2024

Best Choice

1

Clicked 2 times in the last month

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

9.9 Instruction

9.9 Tech Support

9.5 lasts a long time

Why we love it

Improved performance

Easy install

Superior flushing
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.
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9.6

Exceptional

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Value for Money

2

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

Universal Compatibility: Compatible with most one-piece toilets, simplifying the selection process and ensuring a perfect fit.
Silent Flushing Design: Equipped with built-in silent technology, ensures smooth and quiet flushing for enhanced comfort.
Premium Replacement Components: Crafted from selected materials to ensure reliable performance and extend product lifespan.
Easy Installation: Comes with detailed installation instructions, making installation a breeze without the need for professional skills.
Comprehensive Repair Kit: Includes all necessary components for a one-time fix of flush valve issues, providing convenient maintenance.
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9.5

Excellent

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3

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

9.7 Easy installation

9.5 Instruction

9.3 worth the money

Why we love it

Quiet and powerful

Easy to install

Universal fit adjustability
Main highlights

Key Features
Quietest, most powerful fill valve, easy installation, universal fit, customizable water levels, height adjusts from 9 to 14 inches.

Ideal Use Cases
Perfect for fixing noisy, slow filling toilets, and suitable for most toilet models and brands.

Customer Reviews
Most reviews highlight its significant noise reduction and the easy installation process as top benefits.
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9.4

Excellent

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4

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

9.3 Easy installation

9.1 worth the money

8.9 Instruction

Why we love it

The 502 2 inch flapper features corrosion/hard water resistant materials

Toilet fill valve with bolts and gasket replaces old or inefficient fill valves to repair a leaking toilet tank and optimize flush performance

Fill valve replaces any two piece toilet flush valve and is ideal for use in 3.5 gallons per flush toilets
Main highlights

Saves water and Stops leaks at the drain
Replaces any 2 inch flush valve in a two-piece toilet
Quick, easy to install
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9.3

Excellent

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5

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

9.9 Easy installation

9.5 Instruction

9.3 worth the money

Why we love it

High Performance

Easy Installation

Water Saving
Main highlights

Key Features and Benefits
High-performance PerforMAX fill valve, adjustable for tank/bowl water control, easy installation, water-saving flapper, corrosion-resistant, 7-year warranty.

Ideal Use Cases
Perfect for 2 in. flush valve toilets needing improved efficiency, reduced water usage, and those looking for a durable, long-lasting solution.

Customer Reviews Highlight
Most praised for its easy installation process and significant improvement in toilet performance and water conservation.
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9.2

Excellent

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6

KOHLER
Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 5 x 5 x 10-7/8 inches

17% Off

9.9 Instruction

9.3 Long life

9.1 worth the money

Why we love it

Exact fit for Kohler Cimarron toilets, ensuring compatibility.

Easy to install, no plumber needed.

Reduces noise, providing a silent flush.
Main highlights

Key Features and Benefits
Kohler genuine part, canister flush valve kit, 3-inch canister with 3-inch outlet, compatible with Kohler Cimarron 1.6gpf tank model K 4634, plastic material, complete assembly.

Ideal Use Cases
Perfect for repairing Kohler Cimarron toilets, especially model K 4634, includes tank to bowl gasket, easy installation, requires 20-inch channel lock pliers, not universal fit.

Most Praised Feature
Easy to install, fits perfectly, quiet operation, long-lasting performance, exact replacement part, no need for a plumber, clear instructions, good price, fast delivery.
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9.0

Excellent

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7

KOHLER
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

16% Off

9.5 Easy installation

9.3 worth the money

9.3 Noise level

Why we love it

Quiet fill operation enhances bathroom experience.

Easy installation with adjustable height.

Includes multiple fill rate inserts for water conservation.
Main highlights

Silent Fill and Adjustable Height
Silent fill provides a quiet experience. Adjustable to fit any height. Includes multiple fill rate inserts for optimized performance and water conservation.

Best for Replacing Faulty Valves
Ideal for replacing old or faulty toilet fill valves to fix running toilets or noise issues. Suitable for both original and non-original Kohler parts.

Ease of Installation
Customers frequently praise the ease of installation, with many recommending YouTube videos for additional guidance. Most found the process quick and straightforward.
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8.9

Very Good

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8

KOHLER
KOHLER GENUINE PART 1188999 2" Toilet Canister Flush Valve Kit

13% Off

9.7 Easy installation

9.5 worth the money

9.5 Instruction

Why we love it

Optimized flush performance

Compatible with K 4421 model

Easy installation
Main highlights

Key Features
Harnesses gravity for optimal flush performance, compatible with KOHLER Cimarron K-4421, ensures component integrity with a unique 3 canister system.

Ideal Use Cases
Best for KOHLER Cimarron toilet owners needing enhanced flush efficiency and reliability, particularly in areas with low water pressure.

Customer Reviews
Most reviews highlight the easy installation process and significant improvement in flush performance, marking it as a highly recommended replacement part.
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8.8

Very Good

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9

Mansfield
Mansfield Flush Valve - Model # 211-11-1/2" - For all Trip Levers

9.5 worth the money

9.3 Easy installation

9.1 Vacuum strength

Why we love it

Exact fit for Mansfield 160 toilets, reduces water usage.

Includes spud gasket and locknut, easy installation.

Clear instructions, simple installation, reliable performance.
Main highlights

Exact Replacement for Mansfield 160
The Mansfield Flush Valve - Model 211 is specifically designed for Mansfield 160 toilets, ensuring optimal performance and water efficiency with 1.6 gallons per flush.

Perfect for DIY Repairs
Ideal for homeowners looking to repair or maintain their Mansfield 160 toilets, providing an easy-to-install solution that reduces water consumption and prevents leaks.

Ease of Installation
Customers frequently praised the flush valve for its straightforward installation process, clear instructions, and perfect fit, making it a hassle-free repair solution.
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8.7

Very Good

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10

KOHLER
Kohler Part 85406 2" Toilet Flush Valve Kit, Colors may vary

8.9 Easy installation

8.9 worth the money
Main highlights

Replaces black flush valve with red flapper
Optimizes toilet flushing performance
KOHLER GENUINE PART
Includes flush valve, 2" flapper, triangle gasket and bolts
Flush valve assembly for Wellworth, Highline and various other KOHLER toilets
Also replaces part number 84246
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8.5

Good

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10 Best Toilet Flush Valve Size In The Us

1

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

Why we love it

2

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

3

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

Why we love it

4

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

Why we love it

5

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

Why we love it

6

Kohler Genuine Part 1083980 3" Toilet Canister Flush Valve Kit, 5 x 5 x 10-7/8 inches

Why we love it

7

Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

Why we love it

8

KOHLER GENUINE PART 1188999 2" Toilet Canister Flush Valve Kit

Why we love it

9

Mansfield Flush Valve - Model # 211-11-1/2" - For all Trip Levers

Why we love it

10

Kohler Part 85406 2" Toilet Flush Valve Kit, Colors may vary

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