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10 Best Toilet Fill Valves 2025 in the United States

#1

Winner

9.8 score

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

The Fluidmaster 400H-002 Performax Universal Toilet Fill Valve is a popular choice for those looking to replace noisy or slow-filling valves. One of the standout features is its quiet operation, which is a significant improvement over many other fill valves, making it an excellent option for households sensitive to noise. Its universal fit ensures compatibility with most toilet models and brands, adding to its versatility.

Rating
9.8
Chosen by1,406
Compatibility
Adjustability
Noise Level

Most important from
13172 reviews

Compatibility
Better quality and fit compared to other brands.
Adjustability
Straightforward water level adjustments.
Noise Level
Quick and quiet filling of the toilet tank.
Ease of Installation
Super easy installation with clear instructions.
#2
9.6 score

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

The Kohler Genuine Part Gp1083167 Silent Fill Valve Kit is specifically designed for Kohler Class Five toilets, ensuring it fits perfectly with these models. One of its standout features is the Silent Fill Technology, which significantly reduces noise during the tank filling process, offering a more pleasant bathroom experience. This can be particularly beneficial for households where noise reduction is a priority.

Rating
9.6
Compatibility
Durability
Ease of Installation

Most important from
9338 reviews

Compatibility
Direct replacement for a Kohler toilet.
Durability
Lasts for 5 years plus. No leakage whatsoever.
Ease of Installation
Fits great and easy to install.
#3
9.3 score

Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black

The Korky 528MP QuietFILL Platinum Fill Valve is a solid choice for most toilets, boasting compatibility with 99% of models, whether 2-piece or 1-piece. This ensures wide usability and makes it a go-to solution for various toilet repair needs. One of its standout features is the ease of installation, highlighted by the twist-lock adjustment mechanism, allowing users to install it in less than 5 minutes, even with minimal plumbing experience.

Rating
9.3
Noise Level
Durability
Ease of Installation

Most important from
5487 reviews

Noise Level
The Korky 528MP is quieter and faster compared to other models, with noise reducing over time.
Durability
The product is well-made and sturdier than other brands, ensuring better performance.
Ease of Installation
Installation was incredibly quick and easy, taking less than 10 minutes with minimal mess.

Top 10 Best Toilet Fill Valves 2025 in the United States

#1

Winner

9.8 score

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

Compatibility: universal fit with most toilets
Adjustability: height adjustment from 9 to 14 inches
Noise Level: quiet operation
Durability: plastic, rubber, 7-year warranty
Ease of Installation: step-by-step instructions

Chosen by 1406 this week

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

Compatibility: Kohler Class Five toilets
Adjustability: multiple fill-rate inserts
Noise Level: Silent Fill Technology
Durability: Plastic
Ease of Installation: relatively straightforward

Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black

Compatibility: 99% of models, 2-piece or 1-piece
Adjustability: 7.75 to 13.5 inches
Noise Level: Quiet
Durability: Plastic and red rubber
Ease of Installation: Twist-lock, less than 5 minutes

KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts

Compatibility: Kohler Class 5 toilets
Adjustability: Adjustable fill-rate inserts
Noise Level: Silent Fill Technology
Durability: Plastic, Metal
Ease of Installation: Relatively straightforward

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

Compatibility: Fits 99% of toilets
Adjustability: Easily adjustable in height
Noise Level: Quiet operation
Durability: Made from resin, plastic, rubber
Ease of Installation: Quick, straightforward installation

TOTO TSU99A.XR Fill Valve, Blue

Compatibility: All TOTO toilet tanks
Adjustability: Adjustable
Durability: Stainless Steel, Brass
Ease of Installation: Includes valve, refill tube, clamp

Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets, Easy Install

Compatibility: Most 2-inch flush valve toilets
Adjustability: 10 to 15 inches
Noise Level: Quieter fills and flushes
Durability: Plastic components, less robust over time
Ease of Installation: 10 minutes or less

Toto THU134 FILL VALVE ASSEMBLY IN-WALL TANK , Blue

Compatibility: WT151M, WT152M
Durability: Brass construction
Ease of Installation: Wall-mounted
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Buying Guide for the Best Toilet Fill Valves

Choosing the right toilet fill valve is essential for ensuring your toilet operates efficiently and effectively. The fill valve controls the water flow into the toilet tank, and a good one can help prevent leaks, reduce noise, and ensure a proper flush. When selecting a fill valve, consider the compatibility with your toilet, the ease of installation, and the durability of the materials. Here are some key specifications to consider when choosing a toilet fill valve.
CompatibilityCompatibility refers to whether the fill valve will fit and work properly with your specific toilet model. This is important because not all fill valves are universal. To navigate this, check the manufacturer’s recommendations for your toilet model or look for fill valves labeled as 'universal' which are designed to fit most toilets. If you have a specific brand or model, it’s best to find a fill valve that is recommended for that particular toilet to ensure proper function.
AdjustabilityAdjustability in a fill valve allows you to control the water level in the tank. This is important for ensuring that your toilet flushes properly and efficiently. Fill valves with adjustable height can fit a range of tank sizes, making them versatile. If you have a standard toilet, a basic adjustable fill valve should suffice. For larger or smaller tanks, look for fill valves with a wider range of adjustability to ensure the water level is set correctly.
Noise LevelNoise level refers to how loud the fill valve is when it is refilling the tank. This is important for maintaining a quiet bathroom environment, especially if the bathroom is near living or sleeping areas. Some fill valves are designed to be quieter than others. If noise is a concern for you, look for fill valves that are specifically marketed as 'quiet' or 'silent'. These typically have features that reduce the sound of running water.
DurabilityDurability refers to how long the fill valve will last before needing replacement. This is important for long-term maintenance and cost-effectiveness. Fill valves made from high-quality materials like stainless steel or durable plastics tend to last longer. When choosing a fill valve, consider the material it is made from and look for ones with good reviews regarding their longevity. If you want a long-lasting solution, opt for a fill valve with a reputation for durability.
Ease of InstallationEase of installation refers to how simple it is to install the fill valve in your toilet. This is important for those who prefer to do their own repairs or installations. Some fill valves come with detailed instructions and require minimal tools, making them easier to install. If you are not very handy, look for fill valves that are labeled as 'easy to install' or come with comprehensive installation guides. This will save you time and potential frustration.

FAQ