Best Toilet Fill Valve in 2023 (Reviews & Comparison)

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Toilet Fill Valves are like the unsung heroes of your bathroom. If you’re here, you already know it’s an essential part of any loo experience. They bring comfort and convenience with their smart design that saves time and energy in filling tanks quickly and quietly. That’s why it’s important to choose a quality fill valve that won’t let you down.

We know it can be overwhelming to choose the right fill valve. That’s why we compiled a list of top-rated fill valves to make it easy. From features like low noise, fast filling rates, and adjustable heights, you can be sure that these products will provide the reliable performance you’re looking for.

COMPARISON CHART

IMAGE PRODUCT

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

1. Fluidmaster 400H-002 Performax Universal Toilet Fill Valve
  • Fix noisy, or slow filling fill valves
  • Most powerful toilet fill valve available
  • Easy to install
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Korky 528 Toilet Fill Valve, Universal, Black

2. Korky 528 Toilet Fill Valve, Universal, Black
  • Committed to Quality
  • Universal fill valve
  • Keeps your toilet running smoothly
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Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit, 12.5" x 3.5" x 3"

3. Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve
  • Cap color may vary
  • Assures optimal performnace
  • Kohler genuine part
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Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit, For 3-Inch Flush Valve Toilets

4. Fluidmaster 400CAR3P5 PerforMAX Adjustable High-Performance Toilet Fill Valve
  • Adjustable Design
  • Easy no-tank removal Installation
  • 3” Flush Valve Toilets
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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

5. American Standard 7381125-400.0070A Fluid Master
  • Reliable performance
  • Easy to install
  • Check your model toilet for compatibility
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Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

Specification

Brand:Fluidmaster
Item Weight:9.6 ounces
Product Dimensions:‎3.35 x 4.33 x 13.19 inches
Size‎:1- Pack
Color‎:Multicolor
Style:‎1-Pack
Material‎:Plastic
Pattern‎:Control
Usage‎:Professional
Included Components:Toilet Fill Valve and Parts
Warranty Description‎:7-year manufacturer

Features

  • Fix noisy, or slow filling fill valves
  • Most powerful toilet fill valve available
  • Easy to install
  • Step-by-step instructions included
  • Universal fit for most toilet models and brands
  • Tank and Bowl water level adjustment dial to customize the perfect flush and save

The Fluidmaster Performax Universal Toilet Fill Valve is a great option for those looking for a powerful, yet easy-to-install fill valve. This universal fit fill valve can be used in most toilet models and brands, and it features an adjustable dial for customizing the perfect flush and water level.

Installing it is a breeze thanks to its included step-by-step instructions, making it an optimal selection for both DIYers and professionals alike. Furthermore, this fill valve comes with a reassuring seven-year manufacturer warranty that covers your investment should any issues be encountered during use. Constructed from durable materials and featuring robust performance capabilities you can rest assured knowing that this toilet fill valve will last for years to come.

WHAT WE LIKE

The Fluidmaster 400H-002 Performax Universal Toilet Fill Valve is a great choice for those looking for an efficient and reliable fill valve. It features an adjustable dial to conserve water,  and it is simple to install.

Plus, this product comes with a 7-year manufacturer warranty for added peace of mind. With its universal fit, installation is a breeze and takes hardly any time.  When you invest in this product, you know that it will be an efficient addition to your home.

WHAT WE DON’T LIKE

We didn’t find any major drawbacks with the Fluidmaster 400H-002 Performax Universal Toilet Fill Valve. However, some users may find it slightly more expensive than other fill valves on the market.

PROS

  • Universal fit
  • Powerful flush
  • Easy installation
  • Simply twist to increase the height
  • Adjustable dial to customize flush and conserve water
  • 7-year manufacturer warranty

CONS

  • More expensive than other fill valves on the market.
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Korky 528 Toilet Fill Valve, Universal, Black

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Korky 528 Toilet Fill Valve, Universal, Black

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Korky 528 Toilet Fill Valve, Universal, Black

Specification

Brand:Korky
Item Weight‎:3.2 ounces
Product Dimensions:4 x 2.25 x 7.75 inches
Size‎:Universal
Color‎:Black
Style‎:Fill Valve
Material‎:Plastic
Warranty Description:5-year warranty

Features

  • Committed to Quality
  • Universal fill valve
  • Keeps your toilet running smoothly
  • Made in USA
  • Longest Lasting Products
  • Installs in less than 5 minutes

The Korky Toilet Fill Valve, Universal, Black is an ideal choice for those looking for an efficient and durable fill valve. It features a universal design to fit all brands, and it has a wide range of adjustability to fit most toilets.

This fill valve is also made in the USA from quality materials which ensure it will last for years to come. Additionally, it is easy to install in less than 5 minutes and has a 5-year warranty for added peace of mind. Overall, this product is an optimal choice for those looking for a reliable fill valve that won’t break the bank.

WHAT WE LIKE

The Korky Toilet Fill Valve is an ideal choice for those searching for a cost-effective, reliable option. With its universal design to fit all brands and adjustable range, you don’t have to buy a new toilet in order to benefit from efficiency.

What’s more, it only requires five minutes of installation time and comes with an impressive 5-year warranty that ensures your peace of mind. Made from quality materials, this product is built to last for years to come.

WHAT WE DON’T LIKE

For those who require a more extensive flush or are looking for water preservation attributes, the Korky Toilet Fill Valve may not be their optimal choice. Additionally, some users may find that the included instructions are not very clear or detailed.

PROS

  • Affordable
  • Universal design fits all brands 
  • Easy to install in less than 5 minutes
  • Made with quality materials to last for years
  • Adjustable range of adjustability 
  • 5-year warranty for added peace of mind

CONS

  • Not the best option for those who need a powerful flush
  • Instructions may not be clear or detailed enough.
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Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit, 12.5" x 3.5" x 3"

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Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit, 12.5" x 3.5" x 3"

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Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit, 12.5" x 3.5" x 3"

Specification

Brand:Kohler
Item Weight‎:0.035 ounces
Product Dimensions:4.9 x 16.9 x 3.55 inches
Finish:‎No Finish
Color‎:Black
Style‎:Plumbing Overstock
Material‎:‎Plastic
PatternKit
Included Components‎:Valve, inserts, fill hose, and assembly hardware

Features

  • Kohler genuine part
  • Silent fill provides a gracious experience by filling the tank quietly
  • Multiple fill-rate inserts are provided to optimize performance and conserve water
  • Adjustable to accommodate any height
  • Compatible with various Kohler toilets.
  • Confirm the shank color to determine the correct part
  • Cap color may vary
  • Assures optimal performnace

For many years, Kohler has been a pioneering brand in the plumbing industry, renowned for their dependability and tranquility. Most recently they have created the innovative Kohler Genuine Part Silent Fill Toilet Fill Valve that offers unparalleled soundless performance.

This fill valve has multiple fill-rate inserts to optimize performance and conserve water, while also being adjustable to accommodate any height. With its compatibility with various Kohler toilets and the assurance of optimal performance, this fill valve is a great choice for those looking for a powerful and silent flush.

WHAT WE LIKE

If you seek a loud and powerful flush, then the Kohler Genuine Part Silent Fill Toilet Fill Valve is an excellent option for your needs. This fill valve operates quietly while providing superior flushing power. Its multiple fill-rate inserts help to optimize performance and conserve water, while its adjustable design makes it compatible with various Kohler toilets.

We like that this fill valve is made with quality materials and has a cap color that may vary to better suit your preferences. Additionally, the included components ensure that installing this fill valve is hassle-free.

WHAT WE DON’T LIKE

The major downside of this product is that the cap color may vary from one model to the next, making it difficult for buyers to determine the correct part for their toilet. Additionally, as this is a genuine Kohler product, it may be slightly more costly than other brands on the market.

PROS

  • Powerful and silent fill 
  • Multiple fill-rate inserts help to optimize performance and conserve water
  • Adjustable design compatible with various Kohler toilets
  • Includes components for hassle-free installation
  • Assures optimal performance

CONS

  • Cap color may vary from one model to the next, making it hard to determine the correct part 
  • More expensive than other brands on the market.
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Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit, For 3-Inch Flush Valve Toilets

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Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit, For 3-Inch Flush Valve Toilets

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Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit, For 3-Inch Flush Valve Toilets

Specification

Brand:Fluidmaster
Item Weight‎:15.2 ounces
Product Dimensions:7.13 x 3.38 x 15 inches
Item Package Quantity:  ‎11
Measurement System:inch
Style‎:Plumbing Overstock
Material‎:‎Plastic
Included Components‎:Toilet Fill Valve and 3  nm Adjustable Flapper

Features

  • Adjustable Design
  • Easy no-tank removal Installation
  • 3” Flush Valve Toilets
  • Fits other toilet brands
  • 3” water-saving adjustable flapper included
  • Efficiently control water use and levels

For over six decades, Fluidmaster has been at the forefront of excellence in toilet fill valve manufacture. Their PerforMax Adjustable High-Performance Toilet Fill Valve is no exception. This fill valve is specially designed to fit 3” flush valve toilets while controlling water use and levels with its adjustable design and water-saving flapper. 

The solid flapper frame resists bending, while the adjustable valve height and flapper’s arms fit almost all toilet models. Additionally, its silicone seal lasts up to 10X longer than standard flappers, ensuring that you get maximum efficiency and performance out of your flush.

WHAT WE LIKE

The Fluidmaster PerforMax Adjustable High-Performance Toilet Fill Valve is the ideal option for its adjustable design and water-saving flapper. With its robust frame that prevents bending, it guarantees a tight seal – perfect for reducing noisy toilets as well as controlling water use and levels.

Not only does this fill valve fit with 3” flush valves and various other toilet brands, but the anti-siphon design has been certified by code regulations for ultimate quality assurance. Customers can trust that their purchase is reliable and effective.

WHAT WE DON’T LIKE

The major downside of this product is that it may not fit toilets with measurements other than 3″ flush valves. This can be especially problematic for those who have a toilet with a unique size or shape. Additionally, the price of this item may be higher than some alternatives on the market.

PROS

  • Adjustable design to fit 3” flush valve toilets
  • Easy no-tank removal installation
  • Durable
  • Silicone seal lasts up to 10X longer than standard flappers
  • Anti-siphon design

CONS

  • May not fit toilets with measurements other than 3″ flush valves
  • More expensive than some alternatives on the market.
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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

Specification

Brand:American Standard
Item Weight‎:0.16 ounces
Product Dimensions:3 x 3 x 10 inches
Size: 10.00 in wide x 3.00 in tall x 3 in deep
Color:‎Black
Material‎:‎Plastic
Warranty Description:Limited One Year

Features

  • American Standard universal fill valve that will hold up in high-use areas
  • Reliable performance
  • Easy to install
  • Check your model toilet for compatibility

American Standard has been known to manufacture some of the most reliable and efficient plumbing products on the market. Their Universal Fluidmaster Replacement Fill Valve is no exception, featuring a universal fill valve that will hold up in high-use areas.

This replacement fill valve includes a valve, shank washer, lock, coupling nuts, coupling washer, refill tube, and refill tube clip, making it easy to install.

WHAT WE LIKE

The American Standard Universal Fluidmaster Replacement Fill Valve is great for ensuring reliable performance in high-use areas. It’s also compatible with many different model toilets, so you can trust that it will fit your toilet perfectly.

Not only does this fill valve have a quick and easy installation without having to remove the tank, but it is also made from strong plastic material. And with its one-year limited warranty, you can rest assured that your purchase will be covered for any potential issues.

WHAT WE DON’T LIKE

The major downside of this product is that it may not fit toilets with measurements other than 3″ flush valves, which can be problematic for those who have a unique size or shape toilet. Additionally, the price of this item may be higher than some alternatives on the market.

PROS

  • Universal fit for high-use areas
  • Includes valve, shank washer, lock, coupling nuts, coupling washer, refill tube, and refill tube clip
  • Reliable performance
  • Easy to install without tank removal
  • Check your model toilet for compatibility

CONS

  • May not fit toilets with measurements other than 3″ flush valves

Conclusion 

When it comes to finding the best toilet fill valve for your needs, there are a variety of options on the market. The Fluidmaster 400H-002 Performax Universal Toilet Fill Valve is a powerful option that provides an adjustable dial to customize flush and conserve water.

Its universal fit and adjustable dial make it easy to install while its 7-year manufacturer warranty ensures your investment won’t be wasted. With its robust performance and durable construction, you can be sure that this toilet fill valve will last for years to come.

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