The Best Toilet Fill Valve for Your Home and How to Find It

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For various reasons, you might just suddenly find your toilet not working properly. It might be making some noise, not filling up properly or not flushing. That is why it is important to take note of the components inside your toilet tank.

Today, we will be featuring a simple buying guide to help you find the best toilet fill valve for your home. Not only are we including some factors to consider, but we will also include several reviews on toilet fill valves you might want to try for your home.

Picture
Fluidmaster 400CRP14 Universal Toilet Fill Valve and Flapper...
Korky 528 Toilet Fill Valve, Universal, BLACK
Best Pick
TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for...
KOHLER GENUINE PART GP1138930 Silent Fill Toilet Fill Valve Kit
Plumbcraft Adjustable Quick Shut Off Perfect Flush Anti-Siphon...
Quietness
Average
Average
Excellent
Great
Excellent
Add-on bonus
Comes with a flapper repair kit
Twist-lock adjustment
Detailed manual and online tutorials
Fluidmaster product collaboration
Comes with toilet repair kit
Most Unique Feature
Large water capacity
Range adjustment (7”-13”)
Hydrotect and EcoPower systems
Immense durability
Flow adjustment caps
Rating
4.6
4.6
4.8
4.7
4.8
Picture
Fluidmaster 400CRP14 Universal Toilet Fill Valve and Flapper...
Quietness
Average
Add-on bonus
Comes with a flapper repair kit
Most Unique Feature
Large water capacity
Rating
4.6
Picture
Korky 528 Toilet Fill Valve, Universal, BLACK
Quietness
Average
Add-on bonus
Twist-lock adjustment
Most Unique Feature
Range adjustment (7”-13”)
Rating
4.6
Best Pick
Picture
TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for...
Quietness
Excellent
Add-on bonus
Detailed manual and online tutorials
Most Unique Feature
Hydrotect and EcoPower systems
Rating
4.8
Picture
KOHLER GENUINE PART GP1138930 Silent Fill Toilet Fill Valve Kit
Quietness
Great
Add-on bonus
Fluidmaster product collaboration
Most Unique Feature
Immense durability
Rating
4.7
Picture
Plumbcraft Adjustable Quick Shut Off Perfect Flush Anti-Siphon...
Quietness
Excellent
Add-on bonus
Comes with toilet repair kit
Most Unique Feature
Flow adjustment caps
Rating
4.8

Last update on 2019-06-24 at 21:37 PST - Details

What is the Toilet Fill Valve?

No matter how new your toilet maybe, you are bound to encounter some issues later on. Given that of course, you use your bathroom every single day. And most of the times, the problem can just be found in the tank.

Your septic tank might be an issue as well. But then, a lot of the components which flush your toilet is in the reservoir. So it is okay to assume that the first thing you must check when having problems is the tank.

Inside the reservoir would be the fill valve, handle arm, chain, tank bolt, flapper, flush valve, float, and others. The toilet fill valve is the one responsible for refilling the toilet tank after you flush.

However, as you use your bathroom every day, it is natural that the bathroom fill valve might wear out or lose proper alignment. But, we are not implying that a faulty fill valve might cause all toilet problems.

The Best Toilet Fill Valve for Your Home and How to Find It

Here’s a list of possible problems that might lead to your fill valve:

Noisy Toilet

You may have already heard your toilet making sounds in the middle of the night, or making humming noises after you use it. Do not ignore it. That might be a sign that something is wrong with your tank.

Do not be afraid to open the tank to check it.

Slow Refilling

When you tank is pretty slow in refilling, you will notice that no matter how much you press on the flush, little to no water comes out. That is because it does not refill fast enough the amount of water needed to wash.

Instead of pressing the flush over and over, try checking inside the tank. Again, the problem might just lie inside the reservoir.

Tank Won’t Refill

Now, if you hear your toilet as if it’s endlessly refilling but never actually stopping, then it might have something to do with your fill valve. That can be a little urgent because if it doesn’t completely refill, you will not be able to use it to flush for the next time.

The Best Toilet Fill Valve for Your Home and How to Find It

Leaking/Running Toilet

On the one hand, this issue can be one that’s very troublesome. It can affect your water bills if not dealt with immediately. So, if you notice any running of water or leaking from your toilet, check it and immediately try to get it fixed.

Not only can it interrupt your daily usage of the toilet, but it can also cause your water bill to spike.

If you encounter any of these symptoms or problems, it is best to check the tank. And if it is your toilet fill valve that is causing the problem, do not be afraid of replacing it with a new one. It will greatly benefit you in the long run.

Just that, make sure it is completely compatible with your toilet. Here are some things you might want to look into before buying a replacement.

The Best Toilet Fill Valve for Your Home and How to Find It

So, How Do You Find the Best One for Your Toilet?

When finding the best toilet fill valve for your home, you have to take note of the types as well. There are four types of toilet fill valves:

Ballcock or Plunger Type

The ballcock or plunger type is an old fill valve type. It composes a float ball and a brass arm. This kind comes with a brass attached with a ballcock valve and sealed with a rubber washer.

When damaged, you can only just “repair” it with a new rubber washer. As long as all the parts come out in one whole piece, that is.

Diaphragm Style

On the other hand, the diaphragm style fill valve comes with mostly plastic. Although the ball and the float arm look similar to that of the plunger’s, the diaphragm style might be a little hard to “repair.”

With this said, you can just replace it with the new one. And don’t worry; diaphragm style fill valves are very cheap, enough for you to replace it with new ones now and then.

The Best Toilet Fill Valve for Your Home and How to Find It

Floatless Ballcock

As for the floatless ballcock (also known as the “cupless” style), can sense the water level from the bottom of the tank with its diaphragm. Its size is perfect for low profile tanks. Also, this is the easiest to adjust when it comes to water level adjustments.

You simply have to turn the screw on top of the fill valve.

Cup Type

Lastly, would be the container type fill valve. Among all the types of fill valve mentioned, this one is the most recent or most modern. When you buy a toilet, the cup type would probably be the most common you’ll see.

What’s great about this type is that it can be as universal as its size can be easily adjusted. As long as it is anywhere between 7 to 13 inches, then you are already set.

Aside from the type, size, its compatibility with your toilet itself and the price might also play a significant factor. That is true, especially when choosing the best one for your home. So make sure you don’t get pressured by sales talk.

If you can make a list of the things you feel are important as well, do so. Do not be afraid to say no to sales people. You are the one who knows your home and its needs well.

Our Top 5 Picks

Fluidmaster opens our top five picks with its robust and efficient toilet fill valve. The valve is made of both high-quality plastic and rubber, giving the fill valve maximum durability. However, besides its quality, Fluidmaster offers you an offer that you might not be able to resist.

It is the flapper repair kit. As we all might’ve experienced at one point or another, the toilet fill valve and flapper can break over time. With this bonus, you’ll get more help and a cheaper bargain because it’s two in one.

We like

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    Features a 400A toilet fill valve
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    This toilet fill valve is anti-siphon and is unique among other brands
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    Well built and can take a lot of water
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    Fluidmaster designs their toilet fill valve for larger applications. After all, this can accommodate 3.5 gallons per flush types.
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    High-quality fill valve can instantly fix noisy and malfunctioning toilets with easy installation
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    Has a five-year warranty to boot
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    Has a flapper repair kit included without any substantial increase in price

We do not like

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    The flapper balls can stick to the chain sometimes which may give you trouble
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    Despite its performance, there are some complaints of leakage from this product

Korky is a renowned brand when it comes to toilet innovation and technology. With that said, the Quiet Fill toilet fill valve is a great take on toilet innovation. The main take here is that you’ll probably love its easy installation feature.

Korky presents a nifty twist-lock adjustment that enables you to install it without needing any tools at all. What’s even better is that Korky designed this toilet fill valve to be universal. Meaning, you don’t need to worry about the fit because it can be adjusted to meet your bathroom’s specifications.

We like

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    Designed to fix slow or a lack of water refilling quietly
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    Korky has engineered their toilet refill valve to minimize noise through improving its components
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    Components included are the refill tube, metal refill tube clip, mounting nut, cone washer, coupling nut, and tamper-proof key.
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    Universal design allows it to fit in most toilet sizes
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    This product adjusts from 7 ¾ inches and reaches until 13 ½ inches
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    Twist-lock adjustment mechanism makes your life easier
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    To install, just simply take out the old refill valve, insert the Korky QuietFill and adjust it through twisting

We do not like

  • minus-circle
    Good but not the fastest at refilling tanks
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    It’s around 20 seconds slower compared to the Fluidmaster
  • minus-circle
    Doesn’t boast great material when it comes to durability

TOTO is another known brand that comes third in our list with its universal fill valve like the previous one. Besides it being a great fit for almost all toilets, TOTO continues its tradition in designing the TSU99A fill valve. Thus, it the transitional, traditional, and contemporary styles that TOTO is known for remain with this universal refill valve.

Further, TOTO has implemented a sound flow rate system that can also be adjusted. That is especially useful for two-piece toilet systems that TOTO specializes. You can also adjust the height of the valve without any trouble.

We like

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    Top notch innovation
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    TOTO features the Hydrotect which significantly reduces excessive water consumption and eliminates pollution
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    Another feature of the boot is the EcoPower system. That is a self-generating hydropower system that makes this product more efficient regarding function and power-saving.
  • plus-circle
    Universal toilet valve makes it suitable for all toilet types out there
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    However, to get the best results, it works best with TOTO’s bathroom systems due to the flow rate system.
  • plus-circle
    Very detailed instructions
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    Although it doesn’t have the quickest installation, TOTO does a good job with its manual guide
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    It also has YouTube instructions for further reference

We do not like

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    The valve’s refilling speed can sometimes fluctuate
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    It can be very fast or sometimes slow
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    The height adjustment may confuse you especially if you’re not working with a TOTO toilet system

Kohler comes fourth on our list with its refill valve plus kit. The first thing you’ll see with Kohler’s product is that it arrives in a sleek black finish that looks durable. In fact, it is thanks to the brand using high-grade plastic and rubber as its main materials.

Regarding durability, Kohler might be the best one in this list. Not only does the paint job give it a fresh finish, but it also keeps it dirt free and clean. While that might sound irrelevant since it’s hidden, it’s a sign that this refill valve will be quiet for a long time.

We like

  • plus-circle
    Refill valve is extremely quiet
  • plus-circle
    The durability of the high-quality materials mostly cause a smooth refilling process
  • plus-circle
    It’s a collaboration between two brands
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    A cool thing to note here is that Kohler’s products are manufactured by Fluidmaster too.
  • plus-circle
    Depending on your opinion, this might be great considering these are two brands with good reputation in making quiet fill systems
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    Easy to install
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    The instructions included are also easy to follow, highly detailed in all aspects

We do not like

  • minus-circle
    Fitting of this valve might be problematic if you don’t own a Kohler or Fluidmaster toilet system
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    Although it is universal, there has been some complaints that it fits poorly to other bathroom systems
  • minus-circle
    Doesn’t have a return policy
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    That makes it all the more important to check the fitting first

Last on our list is Plumbcraft anti-siphon valve. Plumbcraft approaches their product with practicality and efficiency. One of the great things about this product is that it has flow adjustment caps.

These caps help save you water for every toilet flush. The anti-siphon technology that it applies is also top notch, keeping your water sanitation safe. Lastly, you’d also love Plumbcraft quiet refilling system.

We like

  • plus-circle
    Quick action water shut-off enables this product to have an efficient and quiet refilling process.
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    It also prevents the toilet from continuously running water
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    Versatile adjustment
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    It’s pretty rangy since you can adjust it from 8 inches up until 13 inches.
  • plus-circle
    Toilet repair kit included
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    It also has an installation guide which is highly detailed
  • plus-circle
    Has high-quality fill valves and float balls that replace old-school ballcocks
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    Very eco-friendly
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    Plumbcraft notes that you save around 38 percent of water for every toilet flush thanks to its flow adjustment caps

We do not like

  • minus-circle
    Fine tuning and inspection of this product once installed can be tricky
  • minus-circle
    Not the quietest toilet fill valve
  • minus-circle
    It is, however, faster than average valves

Our Verdict

Toilet components might sound simplistic to fuss. Although toilets are one of the most necessities for our homes, it’s not something to overlook. One of the most critical components are these toilet fill valves that we have just reviewed.

Taking efficiency, quietness, speed, and durability into account, the winner for this article goes to TOTO’s toilet fill valve. It hardly has any problems, unless you’re bothered by the 25-second refill delay it has compared to other products.

Although not the fastest, it’s quiet and durable. Those are two things that you should prioritize over factor when it comes to toilet valves. With that said, good luck buying and don’t forget to share your thoughts below!

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