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Top-10 Toilet Fill Valves
Loved in the USA

Handpicked for quality & trusted by thousands of customers
#1
Top Rated in the USA
Fluidmaste
Fluidmaster

Born in the USA

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

6%OFF

Fast Delivery
9.7
14 506 reviews

Item still has Pre-Tariff price

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1 231 bought in past month
#2
Korky 528M
Korky

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

Fast Delivery
9.4
5 674 reviews

Solid Value from a Trusted Brand

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1 129 bought in past month
Last Purchases
Je***er
New York, NY
2d ago
B***n
Boston, MA
15h ago
Sa***el
Las Vegas, NV
1h ago
#3
TOTO TSU99
TOTO

TOTO TSU99A.XR Fill Valve, Blue

Fast Delivery
9.1
479 reviews

Solid Value from a Trusted Brand

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1 027 bought in past month
Great balance of performance and price.
AvaAtlanta, GA
#4
Kohler Gen
KOHLER

Born in the USA

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

Fast Delivery
8.8
9 590 reviews

Solid Value from a Trusted Brand

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925 bought in past month
Curated products trusted bytrust us brands
#5
Korky Quie
Korky

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

Fast Delivery
8.5
410 reviews

Solid Value from a Trusted Brand

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823 bought in past month
#6
Korky Quie
Korky

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

35%OFF

Fast Delivery
8.2
5 137 reviews

Item still has Pre-Tariff price

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721 bought in past month
#7
KOHLER Sil
Kohler

Born in the USA

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

Fast Delivery
7.9
4 926 reviews

Solid Value from a Trusted Brand

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619 bought in past month
#8
Fluidmaste
Fluidmaster

Born in the USA

Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets

Fast Delivery
7.6
5 857 reviews

Solid Value from a Trusted Brand

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517 bought in past month
#9
American S
American Standard

Born in the USA

American Standard 7381125-400.0070A Fluid Master 400A Universal Toilet Water Fill Valve, 10.00 Inch Wide x 3.00 Inch Tall x 3 Inch Deep, Black

8%OFF

Fast Delivery
7.3
1 645 reviews

Item still has Pre-Tariff price

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415 bought in past month
#10
Korky 528T
Korky

Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA, Black

Fast Delivery
7.0
1 678 reviews

Solid Value from a Trusted Brand

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313 bought in past month

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R&T Toilet
R&T

R&T Toilet Fill Valve, Anti Siphon Toilet Tank Replacement Kit, Universal Easy Install Toilet Parts Inside Tank

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1 165
verified reviews

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Fluidmaste
Fluidmaster

Born in the USA

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

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7 309
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Toto THU13
TOTO

Toto THU134 FILL VALVE ASSEMBLY IN-WALL TANK , Blue

18%OFF

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91
verified reviews

Item still has Pre-Tariff price

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KOHLER GEN
KOHLER

Born in the USA

KOHLER GENUINE PART GP1068030 FILL VALVE FOR ONE-PIECE TOILETS

10%OFF

Fast Delivery
998
verified reviews

Item still has Pre-Tariff price

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Fluidmaste
Fluidmaster

Born in the USA

Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black

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4 665
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Our Top Picks

#1

Winner

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

Rating
9.7
Chosen by1,231
Compatibility
Adjustability
Noise Level

Most important from
14506 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.

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.

Additionally, the EZ-Twist height adjustment feature, which ranges from 9 to 14 inches, allows for a customizable fit in various tank sizes, supporting precise water level adjustments for efficient flushes and water conservation. Installation is straightforward, thanks to the step-by-step instructions included, making it accessible even for those without professional plumbing experience.

Durability-wise, the valve is constructed from plastic and rubber, which should offer reasonable longevity, and it comes with a 7-year manufacturer warranty for added peace of mind. However, some users might find the plastic build less robust compared to metal alternatives. In summary, the Fluidmaster 400H-002 offers a solid balance of quiet performance, ease of installation, and adjustable features, making it a reliable choice for most standard toilet setups.

Rating
9.7
Chosen by1,231
Compatibility
Adjustability
Noise Level

Most important from
14506 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

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

Rating
9.4
Noise Level
Durability
Ease of Installation

Most important from
5674 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.

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.

The valve is adjustable from 7.75 to 13.5 inches, providing flexibility to fit different toilet tank sizes. Additionally, the Korky 528MP is designed to operate quietly, making it a great option for those sensitive to noise. Durability is another strong point, with the valve made from robust materials like plastic and chlorazone red rubber, which resist wear and tear over time.

Made in the USA, it adheres to high manufacturing standards and meets IAPMO and ASSE specifications. Potential drawbacks include its reliance on plastic components, which may not be as long-lasting as metal counterparts, although the rubber parts do enhance durability. In summary, the Korky 528MP QuietFILL Platinum Fill Valve is a versatile, easy-to-install, and durable option suitable for most toilets, ideal for users looking for a quick and quiet fix.

Rating
9.4
Noise Level
Durability
Ease of Installation

Most important from
5674 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.
#3

TOTO TSU99A.XR Fill Valve, Blue

Rating
9.1
Compatibility
Adjustability
Ease of Installation

Most important from
479 reviews

Compatibility
The TOTO TSU99A.XR Fill Valve is a quality replacement for older models, working well without issues after installation.
Adjustability
The valve is easy to adjust and universally fits, solving problems like loud filling. Following the instructions makes the process even smoother.
Ease of Installation
Installation is straightforward, especially if the old valve is removed first. The new valve fits perfectly and performs like a charm.

The TOTO TSU99A.XR Fill Valve is an adjustable fill valve designed to work with all TOTO toilet tanks, which makes it highly compatible across the brand. The adjustability ensures that it can reset your tank back to optimal performance, which is a great advantage. The package includes everything you need for installation – the valve, refill tube and clamp, cone washer, and nut, which simplifies the process.

At 10 inches in height, the dimension is fairly standard and should fit most tanks comfortably. The valve uses a standard 7/8 inch inlet connection, which is common and should make finding compatible parts easier if needed. Made from durable materials like stainless steel and brass, this fill valve is designed for longevity, adding to its durability.

While the product doesn’t highlight its noise level, it’s worth noting that noise can sometimes be an issue with fill valves, so if noise reduction is a priority, you might want to investigate further. Additionally, the valve is relatively lightweight at 9.1 ounces, which should make the installation process easier. The fill valve’s high ranking in the Toilet Flush Valves category suggests it is a popular and reliable choice. This valve seems like a good fit for someone looking for a reliable and easy-to-install option specifically for TOTO toilet tanks.

Rating
9.1
Compatibility
Adjustability
Ease of Installation

Most important from
479 reviews

Compatibility
The TOTO TSU99A.XR Fill Valve is a quality replacement for older models, working well without issues after installation.
Adjustability
The valve is easy to adjust and universally fits, solving problems like loud filling. Following the instructions makes the process even smoother.
Ease of Installation
Installation is straightforward, especially if the old valve is removed first. The new valve fits perfectly and performs like a charm.

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