What You Need to Know Before Buying a Toilet Fill Valve

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  • Author Alexander Smith
  • Published July 15, 2021
  • Word count 1,669

Are you in the market for a toilet fill valve? If so, then this is the article for you! It can be difficult to know which toilet fill valve is best for your toilet. There are a lot of different brands and models on the market, each with its own set of pros and cons. This blog post will walk you through everything that you need to know before making a big purchase.

What is a toilet fill valve?

A toilet fill valve is a device that provides water to the toilet tank. It can also be used to help regulate and maintain the level of water in your toilet tank, helping you save money on water bills. There are many different types of toilet fill valves available for purchase, each with its own pros and cons. Let’s take a look at what they are:

Flush Valves

Elevator Valves

Adjustable Pressure Valve (APV)

Diaphragm Fill (DiaFill) Valves

Piston Valves

Electronic Fill (EFI) Valve

A toilet fill valve is a device that provides water to the toilet tank. It can also be used to help regulate and maintain the level of water in your toilet tank, helping you save money on bills. There are many different types of toilet fill valves available for purchase today, each with its own pros and cons. Let’s take a look at what they are:

Flush Valves: These work by providing an instant release when needed to make it easier for users who may have mobility issues or other difficulties getting up from low toilets. They provide just enough air pressure inside so that no effort is required to push down on the toilet handle.

Elevator Valves: These toilet fill valves are designed to be used on toilet bowls that have higher water levels and may need more pressure than the flush valve can provide. They also work well for toilets with high usage rates or those in public bathrooms where toilet paper is typically wrapped around the toilet bowl rim since they allow you to pump up the air inside as an alternative way of flushing the toilet without using a hand plunger.

Adjustable pressure valve (APV): The adjustable pressure valve, or APV toilet fill valve, is a type of toilet tank filler that can be adjusted to suit the needs of many different types of toilets. It features two modes: an anti-siphoning mode and a flushing mode. The device itself has three valves inside it as well as one adjustment knob on the outside which allows you to change how much water enters into your toilet bowl depending on what configuration you are using at any given time.

Diaphragm fill (Diafill) Valve: A diaphragm toilet fill valve is a type of toilet filler that combines the functionality and simplicity of flush valves with the versatility and performance of APVs. These toilet fill valves are easily adjustable, so you can use them for any installation or configuration without worrying about having to change anything else around your toilet tank. The only downside is that these toilet fill valves do not work well in high-pressure water systems.

Piston Valves: Piston toilet fill valves work by providing the tank with a constant supply of water, though they need to be pressed manually in order for that flow to stop. They are often used on toilet tanks where you can't install an APV or flush valve because there is no room behind them.

Electronic Fill (EFI) Valve: Electronic toilet fill valves can be adjusted by themselves so you don't need to do anything else around your toilet tank. They are also very quiet and anti-siphoning, which allows them a much better chance of preventing clogs than other types of toilet filler valves. The only downside is that there are some models out on the market with cheaper quality components that may break down over time or stop working altogether due to age.

Why replace your old toilet water fill valve?

It is a common misconception that toilet fill valves have to be replaced only when the toilet leaks. In reality, toilet water fill valves can break down over time and stop working. If you notice any of these symptoms in your toilet valve:

  • It takes more than three seconds for the toilet tank to refill after flushing

  • The volume of water coming out of it changes depending on how long or hard its been flushed

  • There are issues with either anti-siphoning or if it's not refilling at all (water level stays low)

You should consider replacing your old toilet fill valve as soon as possible because problems like this will get worse over time and require much more effort to fix them once they become severe enough.

What Do I Need To Know Before Buying A Toilet Fill Valve?

Before buying a toilet fill valve for your bathroom, here’s what you should know:

Flush Valves work best in low setups where users have mobility issues or difficulty getting up from the toilet seat. They provide just enough air pressure inside so that no effort is required to push down on the toilet handle.

Elevator Valves are designed for toilets with higher water levels and may need more pressure than a flush valve can provide, or those in public bathrooms where toilet paper gets wrapped around toilet bowls due to their ability to pump up the air inside as an alternative way of flushing without using a hand plunger.

DiaFill valves combine the functionality and simplicity of flush valves with the versatility and performance of APVs by being adjustable for installation or configuration while not working well in high-pressure water systems. Electronic Fill (EFI) Valve features allow this type of toilet fill valve to be adjusted by itself and also have a much better chance of preventing clogs due to their quality components.

Piston toilet fill valves work by providing the tank with a constant supply of water that needs to be pressed manually in order for it to stop and are often used on toilet tanks where you can't install an APV or flush valve because there is no room behind them.

Electronic Fill (EFI) Valves can be adjusted by themselves so nothing else around the toilet tank needs changing while also being quiet and anti-siphoning which allows them a much better chance of preventing clogs than other types of toilet filler valves but they do have some models out on market with cheaper quality components which may break down over time or even just outright stop working altogether due to age.

Frequently Asked Questions

How do I know if my toilet fill valve is bad?

A toilet fill valve is bad when it starts to leak, stops working, or just doesn't work as well anymore. This can happen for a variety of reasons, but the best way to test your toilet fill valve and find out if there are any issues with it before they become major problems is by using one of these toilet leaks testers. They will help you identify where water may be leaking from so that you know what needs fixing in order for your toilet filler valves to start functioning again like new.

How long does a toilet fill valve last?

The toilet fill valves last just as long as you take care of them. The best way to ensure your toilet filler valve is always working at its best and not causing any problems is by making sure it has the right amount of water pressure, that there are no clogs or kinks in the lines, and finally that all moving parts inside the toilet tank have oil lubed up on a regular basis. Determining how long toilet fill valves last is based on many different factors, but the most important thing to remember when caring for your toilet filler valve is that it can get clogged from debris in the toilet tank which could result in a huge mess if you don't take care of this problem before it gets too bad.

How much does it cost to replace a toilet fill valve?

The toilet fill valve replacement costs will depend on how much of the plumbing in your bathroom needs to be rebuilt, but it can range from $100 to 300. The toilet filler valves work by providing a constant supply of water for the tank that is pumped manually and as such may need more attention than other types of toilet tanks if you want them to last long or perform well when an issue does arise because they are constantly being used.

Are there different sizes of toilet fill valves?

There are toilet fill valves that come in a variety of different sizes, but the most common ones seen on toilets right now are 14” toilet filler valve (APV) and 16.25” toilet fill valve both of which fit well with all standard toilet tank openings without any problems as long as you do not have an older toilet or one made before 1982 because these types were shorter than modern models. If your toilet has been around for 25 years or more or is considered to be outdated by today's standards then it may require something called a via fill toilet filler valve even if this type looks like a flush valve because they can provide higher water levels needed when there isn't enough pressure from the wall-mounted water supply to generate the pressure needed to flush toilet as well.

Conclusion

The toilet fill valve, or toilet filler valve depending on your preference, is an important part of a bathroom that needs to be cared for and maintained so it can always function at its best. It's not as simple as just replacing the toilet tank with one from Home Depot because there are many different types out there that may require more work than others in order for them to properly fix themselves when they start having problems such as leaking or stopping working altogether.

I have been in the plumbing business for 10 years. I am a licensed and registered plumber with over 10 years of experience. I specialize in leak detection, water heater installation/replacement, drain cleaning and repair, sewer line replacement and repair, toilet repairs or replacements, faucet repairs or replacements.

Some Useful Resource links:

https://plumbingpoints.com/toilet-fill-valve-leaking/

https://www.thespruce.com/different-types-of-toilet-fill-valves-4094288

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