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The 8 Best toilet fill valves of 2024

Are you trying to find toilet fill valves among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling toilet fill valves on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 14 hours of research and did 44 toilet fill valves tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best toilet fill valves you can buy today

SaleNo. 1
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
  • Fix noisy, or slow filling fill valves with the quietest, 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 dials to customize the perfect flush and save. EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
No. 2
Fluidmaster 400A Anti-Siphon Universal Toilet Tank Fill Valve,Black
  • fluidmaster400a anti-siphon toilet fill valve - fm400a
  • This is highly durable
  • This is manufactured in MEXICO
SaleNo. 3
Korky 528 Toilet Fill Valve, Universal, Black(Packaging May Vary)
  • UNIVERSAL FILL VALVE: This toilet fill valve replaces ballcocks & worn down valves for different types of 2-piece & 1-piece toilets. It's easy to install & keeps your toilet running smoothly.
  • EASY TO INSTALL: Quiet replacement fill valve has a twist-lock adjustment that makes installation the easiest when you're doing toilet repairs. Adjustable from 7.75'' to 13.5.''
  • INCLUDES: Installs in less than 5 minutes. Includes fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, coupling nut, tamper proof key & instructions.
  • WHY KORKY: Our high quality toilet products are universal & specific to both older & modern toilet models. Our repair parts are easy to install & made exclusively from long lasting chlorazone red rubber.
  • REPLACEMENT TOILET PARTS: Try Korky Toilet Repair because we continue to commit to designing toilet repair parts that are unviersal to fit the majority of toilets. Designed & manufactured in Wisconsin.
SaleNo. 4
Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black
  • UNIVERSAL FILL VALVE: This toilet fill valve replaces ballcocks & worn down valves for different types of 2-piece & 1-piece toilets. It's easy to install & keeps your toilet running smoothly.
  • EASY TO INSTALL: Quiet replacement fill valve has a twist-lock adjustment that makes installation the easiest when you're doing toilet repairs. Adjustable from 7.75'' to 13.5.''
  • INCLUDES: Installs in less than 5 minutes. Includes fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, refill adjuster, coupling nut, tamper proof key & instructions.
  • WHY KORKY: Our high quality toilet products are universal & specific to both older & modern toilet models. Our repair parts are easy to install & made exclusively from long lasting chlorazone red rubber.
  • REPLACEMENT TOILET PARTS: Try Korky Toilet Repair because we continue to commit to designing toilet repair parts that are unviersal to fit the majority of toilets. Designed & manufactured in Wisconsin.
No. 5
Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit
  • The PerforMAX fill valve and 2 in. Flapper Kit is the premium solution to make your 2 in. flush valve toilet run like new
  • PerforMAX toilet fill valve offers high performance with adjustable tank and bowl water for full water control
  • Fast and Easy to Install
  • PerforMAX Water-Saving Toilet Flapper included to save water use per flush
  • Adjustable fill valve height to fit more tanks, corrosion resistant flapper, Solid frame for a secure seal, 7 year warranty
No. 6
Fluidmaster 400A133 Premium Filling Valve Universal High Performance Toilet Fill Valve - 3 Pack
  • Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market!
  • Adjustable height (9 "-14")
  • Adjustable roller-clamp controls water usage
  • Replaces outdated, inefficient, or noisy fill valve designs
  • 7 year warranty
SaleNo. 7
TOTO TSU99A.XR Fill Valve, Blue
  • Adjustable for all TOTO toilet tanks
  • Resets your tank back to optimal performance
  • Includes valve, refill tube and clamp, cone washer and nut
  • Standard 7/8 inch inlet connection
No. 8
Fluidmaster 242 Toilet Fill Valve Seal Replacement Part, Fits 400A Fill Valve , Black
  • Extend the lifespan of your 400A toilet fill valve
  • Easy to install
  • Direct replacement seal for the universal design 400A fill valve
  • Fix a broken toilet valve seal without purchasing another fill valve
  • Quick and simple DIY replacement part; 1 year warranty
  • Limit one (1) per order
  • Returns will not be honored on this closeout item
No. 9
Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit
1,712 Consomer Reviews
Fluidmaster PerforMAX Universal Toilet Fill and Flush Valve Repair Kit
  • Fixes most toilet problems - replaces poor performing, or outdated fill valves and cracked flush valves
  • Quick and Easy-to-Install, no tank removal repair kit cuts repair time in 1/2
  • Universal design fits most toilet models
  • Simple peel and stick flush valve install
  • PerforMAX 2” Flush Valve Repair Kit - high performance, quiet and powerful - included, with toilet flapper and seal
  • Fits 2” flush valve toilets including Kohler, Toto, American Standard & more
  • Adjustable for maximum performance and water savings
  • Best suited for 1.28 HET & 1.6 GPF toilets made after 2005
  • Anti-siphon design won’t contaminate the water supply
  • Durable build includes a 5 year warranty
No. 10
Fluidmaster 400CRP14 Fill Valve and 2-inch Flapper Repair Kit (Pack of 1)
  • FIXES NOISY, RUNNING TOILETS: Toilet repair kit replaces inefficient fill and flush valves, and leaky flappers to help solve most common toilet fill problems
  • UNIVERSAL DESIGN: 400A toilet fill valve adjusts easily from 9 – 14 inches, fits most 2-inch flush valve toilets, and is ideal for use in 1.6 to 3.5 gallons per flush toilets or larger. Dual Flush: No
  • CORROSION RESISTANT: Solid frame 501 2-inch flapper features corrosion-resistant Microban material to prevent breakdown and leaks due to bacteria and is chlorine and hard water resistant
  • EASY INSTALLATION: Easily installs in 10 minutes or less to get your toilet flushing like new again
SaleNo. 11
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
  • Kohler genuine part. Valve Type: Manual
  • 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. Never use an abrasive material such as a brush or scouring pad to clean surfaces
  • Confirm shank color to determine correct part; If black, use this part and if grey, use GP1138930
  • Cap color may vary
No. 12
R&T A1350 Toilet Fill Valve Toilet Tank Parts Replacement Running Toilet Repair Kit Quiet Fill Anti-Siphon
  • 【Enhance Your Toilet's Performance】Fix over/slow filling, noisy/leaking, running toilets, provides a quiet(Noise<45 DB) and quick tank filling.
  • 【Water Saving Toilet Tank Parts】Patented delayed technology, doesn't permit fill valve to turn on until the flapper closes, saving water. Annual water saving reaches 3650L-10950L (964 gallon to 2893 gallon).
  • 【Easy Height / Tank Water Level Adjustment】Quick locking nut enables easy installation without tools. Rotate the top cover, the fill valve height and tank water level will be adjusted together, easy and convenient.
  • 【Universal Design】Adjustable height: 8.8'' - 12.5'', fits for most American standard toilet tanks. A direct replacement for Glacier Bay, Proflo, Delta, Mansfield, Western, American Standard, Briggs.
  • 【Warranty】Direct supply from global leading manufacturer, backed by 5 Years Warranty.
SaleNo. 13
Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit, 12.5" L x 3.5" W x 3" H inches
  • 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 shank color to determine correct part; If grey, use this part and if black, use GP1083167.
  • Cap color may vary
No. 14
Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets
  • A direct replacement for Glacier Bay & Niagara Flapperless Toilets
  • Easy-to-install, instructions included
  • Increase your Glacier Bay / Niagara refill speed
  • Restore & optimize your toilet to factory performance
  • Replace old or inefficient fill valves with this high-quality replacement part
  • A fast and effective DIY solution to common toilet fill problems
No. 15
OEM/Original Replacement for Gerber 99-790 Fill Valve
  • Original Equipment Manufacturer (OEM) replacement fill valve for the Gerber 99-790 adjustable fill valve. Includes the fill valve, refill tube, coupling nut, intake filter, cone washer, and installation instructions. Replaces leaky, noisy, and slow filling fill valves.
  • Used for various models of the Gerber Maxwell SE line of toilets, including the 1.1/1.6gpf dual flush Gerber Maxwell SE Tanks 28-190 and 28-195. Model information is typically printed inside of the tank.
  • Exact color and shape of components may vary slightly due to minor revisions of the parts by Gerber. However, this product is backwards compatible with older revisions of the same part with identical or improved performance.
  • Meets or exceeds all applicable US and Canadian Plumbing Standards.
  • Comes in an economical plastic bag with cost savings passed on to the customer.
SaleNo. 16
Plumb Pak, White Keeney K830-15 Toilet Fill Valve Mini Pilot Anti-Siphon, Pack of 1
  • Toilet Fill Valve Mini Pilot
  • Anti-Siphon, Float less Fill Valve
  • Low Profile, Sits at the Bottom of the Tank
  • Adjusting Knob Saves Water
  • Easy to Install
  • Toilet fill valve
  • Quiet function
  • Anti-siphon
  • Floatless
  • Sits at the bottom of the tank
No. 17
Korky 528XBP QuietFILL 2X Long Life Fill Valve- Fits Most Toilets- Easy to Install- Made in USA, 99% Universal
  • Designed for newer, HET toilets, maximize your toilet's performance by delivering just the right amount of water to the bowl
  • Toilet Fill Valve fits 99% of toilets. Fixes: running, noisy, no/slow refill and no/weak flush toilets
  • Proprietary Chlorazone II rubber last 2 times longer than other Toilet Fill Valves
  • Strainer catches sediment in the water and allows valve to be serviceable
  • 10 Year Warranty. Made in the USA
No. 18
Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve, Easy Install
  • Size: Universal Fit for HET 1.28 gal.ENHANCES YOUR TOILET’S POWER: Toilet fill valve replaces old, inefficient valves and eliminates noise while generating 2X greater refill rates than standard fill valve designs
  • UNIVERSAL DESIGN: Fill valve adjusts easily from 10 – 15 inches and is ideal for use in high efficiency 1.28 to 1.6 gallons per flush toilets
  • ADJUSTABLE ROLLER CLAMP: Water-saving roller clamp lets you regulate the fill level in the bowl to help save water and money
  • EASY INSTALLATION: Easily installs in 10 minutes or less to get your toilet flushing like new again
SaleNo. 19
Toto TSU99A.X UNIVERSAL FILL VALVE ASSEMBLY
  • Adjustable height for all TOTO toilet tanks
  • Resets your tank back to optimal performance
  • Includes valve, refill tube and clamp, cone washer and nut
  • Standard 7/8 inch inlet connection
  • Easy, DIY installation
No. 20
PROFLO PF9412FLPK PROFLO PF9412FLPK Residential Toilet Manual Flush Valve
  • Covered under PROFLO's
  • Constructed of
  • Coordinates with products from the line

How to choose a good toilet fill valves

Does the idea of finding a fantastic toilet fill valves make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in toilet fill valves. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top toilet fill valves products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top toilet fill valves on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top toilet fill valves brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top toilet fill valves based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the toilet fill valves were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good toilet fill valves, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your toilet fill valves.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting toilet fill valves for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our toilet fill valves. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what toilet fill valves should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on toilet fill valves.