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10 Best Toilet Fill Valves 2025 in the United States
#1
Winner
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
10.0
Chosen by1,255
Compatibility
Adjustability
Noise Level
Most important from
15109 reviews
#2
TOTO TSU99A.XR Fill Valve, Blue
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.
Rating
8.2
Compatibility
Adjustability
Ease of Installation
Most important from
512 reviews
#3
Toto THU134 FILL VALVE ASSEMBLY IN-WALL TANK , Blue
The Toto THU134 Fill Valve Assembly is designed for use with in-wall tank systems, specifically the WT151M or WT152M models. Its compatibility with these specific systems ensures it will fit well if you have one of these models, though it may not be suitable for other toilet configurations, limiting its versatility. The brass construction of the valve suggests good durability, as brass is known for its corrosion resistance and longevity. This can be a significant advantage in maintaining the functionality of your toilet over time.
Rating
8.2
Compatibility
Ease of Installation
Most important from
125 reviews
Top 10 Best Toilet Fill Valves 2025 in the United States
#1
Winner
Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor
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 1255 this week
TOTO TSU99A.XR Fill Valve, Blue
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
Toto THU134 FILL VALVE ASSEMBLY IN-WALL TANK , Blue
Toto THU134 FILL VALVE ASSEMBLY IN-WALL TANK , Blue
Compatibility: WT151M, WT152M
Durability: Brass construction
Ease of Installation: Wall-mounted
Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"
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 QuietFILL 2X Long Life Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install, 528X
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
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Korky 528MP QuietFILL Platinum Fill Valve-Fits Most Toilets-Easy to Install-Made in USA, Universal 99%, Black
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
Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA, Black
Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA, Black
Compatibility: TOTO toilets, G-Max, Power Gravity
Adjustability: 7-3/4 to 13-1/2 inches
Noise Level: Reduced
Durability: Metal, chlorazone rubber
Ease of Installation: Twist-lock adjustment system
Fluidmaster 400ARHRKP10 PerforMAX Universal High Performance All in One Repair Kit for 2-Inch Flush Valve Toilets, Easy Install
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
KOHLER Silent Fill Toilet Valve Kit, Genuine Part GP1138930, Adjustable with Multiple Fill-Rate Inserts
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
#10
Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets
Fluidmaster 703AP4 Specialty Toilet Fill Valve for Glacier Bay and Niagara Conservation Flapperless Toilets
Compatibility: Glacier Bay and Niagara toilets
Durability: Plastic
Ease of Installation: fast and effective DIY solution
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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.