Anti Siphon Valve Vs Backflow Preventer | Complete Comparison

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If you want to keep your water supply safe and the best, you have to consider good water flow. In order to protect your supply, you have to decide between an anti siphon valve vs backflow preventer.

Therefore, it is very important to understand both the anti-siphon valve and backflow preventers.

The good term of a plumbing system ensures the water system is perfect. Did you know? The anti-siphon valve is a greater kind of backflow preventer coming under the subcategory of an umbrella term.

These days, people are updating about modern plumbing!! So it is good to understand these two terms.

Without any issues and confusion, you can learn about the difference by using this ultimate comparison guide.

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What Is A Backflow Preventer?

Foremost, you have to understand the importance and benefits of a backflow preventer. This term are used for greater purposes. The backflow is the best tool that is used to protect against water contamination.

It is essential for the irrigation system because the soil and contaminants are accessed back into the public water supply.

With the advancement, the backflow preventers are high in demand that is considered most wanted. Many plumbing professional are suggesting these backflow preventers, majorly due to various reasons. It is helps you to make the irrigation system good and you can protect from various issues.

Is It Good To Use The Backflow Preventer On Everything?

The backflow does not need everything, but it needs some time where the water comes with contaminants and soil.

That’s why the needs of the backflow preventers are preferred one by all. You have to use the backflow preventers in your irrigation system. Even you can use this for many places like the tap where the hose gets connected.

If you want to install the backflow preventers, you can get codes. The codes are different in each state. So you can find the one based on the codes. Generally, it is difficult to read the municipal ordinances about the backflow preventer.

But you can know what to look for. At all the time, when talking about backflow prevention, you can hear the phrase cross-connection control.

What Is Anti Siphon Valve?

An anti-siphon valve is a simple one than the other. It has the one-way valve that allows the water to flow in a single direction. When it looks to choose, then you can get many more options and models. All kind of model you can use in similar ways.

It can overflow with contaminants from flowing back into the water source. It is cheap and best to install and use. It is an efficient one compared to the other. It is safe to use compared to others.

Are you tried to make your irrigation system properly? Then you have to try out the device once. It protects the system from contaminants reverse flow.

They work perfectly. It is because this comes under a build vacuum breaker. It helps break the suction when the water comes from outside or re-enter the system.

The anti-siphon valves are also referred to as AVBs because that is having able to atmospheric vacuum breaking. It comes with both manual and automatic, but both are plays the same role.

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Are Anti-Siphon Valve Are Good To Use At Home?

Commonly, the anti-siphon valve is used highly, but that does not perfect for every home. This valve is popular to use, but those are having a distinct number of constraints.

Therefore, you have to choose which is right for you. Some of the effective constraints are

  • When you install it, you have to install it six inches above the ground. It is because you it does not work for the underground irrigation system. Otherwise, by using the planting, you can hide the valve easily.
  • You have to use where the irrigation system connects to the hose. You can easily connect this with your water source.
  • Otherwise, you do not install upstream of backflow preventers. It is because when you do this, it does not work.
  • Suppose, if you want to install the check valve in the area submerged underwater, then it is not a good choice!!
  • The building code helps to identify the type of backflow prevention. If the building code indicates that you cannot use anti-siphon, then you have to consider it. You have to note two main things: you have to choose the right model, and the other is you have to install it in the proper position. Otherwise, it is simple to manage.

How To Know If Anti-Siphon Valve Are Suitable For You?

Of course, it is a little bit difficult to know about it. If you want to know the answer, you have to prefer the irrigation specialist who is an expert to set the sprinkler system. Surely they are helping to figure out what kind of backflow prevention is right for you.

It is because the professionals know local ordinances. So they are well known which backflow preventer is right for you. Therefore, choose these ways and set up the irrigation.

Similarly, there are different ways are accessible to find it by yourself. The main way is to check out each backflow prevention device and examine which is right for you.

Once you get clarification, you have to check the local ordinances, which help you pick the approved one based on your area.

Types Of Backflow Prevention 

There are different types of backflow prevention are accessible. Even it is useful to learn some different types of it within involving the ASVs. Hereafter you can get a good idea about the types!!

  • Pressure vacuum breaker. When you use the it, you need a six to cover the irrigation system. It delivers the best performance, and it ensures you have to make the right decision.
  • Atmospheric vacuum Breakers. It is the best one that is identical to stripped-down anti-siphon valves. It would help if you had the AVB for the control point in your irrigation system. When compared to the other, it is very cheap to use. However, it is downright pricey once after the certain point even gives to over-irrigation.
  • Double Check valve Assemblies. It comes under a dual mechanism backflow prevention device which is having the added perks. And you can install it underground easily. So it is worked greatly with more efficiency.
  • Reduced pressure Assembly. If you have an extremely hazardous area, you have to use this type that is specially designed to manage the higher end hazard and other waste condition. It is one of the valuable types of backflow preventer if you want to examine the types of model and then choose the one that is right for you.

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Is The Irrigation System Comes With A Backflow Preventer?

Once after finding the system that comes with its backflow preventer, then it is exactly one. Normally, it is rare to find the system. But you can get it custom made, and you can get it with a general price tag.

The maker is well known the various cities and countries will have various ordinances on backflow prevention. Make your residential irrigation system by using the backflow preventer. It will help to control to prevent water perfectly.

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What Is The Cost Of A Backflow Preventer?

It’s all about depends on what kind of device you choose for your system. The price value is changed on each backflow preventer. The studies show that the backflow preventer are come under different price tag with reduced pressure assemblies.

Likewise, the installation cost are also varies. Depends on the type of backflow preventer, the installation cost differs. If you decide to install it by yourself, then you do not worry about it. Otherwise, it is good to install it by the professional installer to get a good job.

It is a highly essential device, and the building code helps to choose the one. Once you start using the device on your system, you can get the proper protection in the area around your home.

Overall, everything is based on your choices. Try to make a good solution for your system.

Related Question

Backwater Valve Vs Backflow Preventer: What Is The Difference?

The backflow preventer are used to connect to your home water line, which is works to ensure the contaminated water does not enter your water supply. In addition, it highly helps to make the water sits properly in your system.

Similarly, the backwater valve connects to your home sewer line. It helps to prevent dirty water from enters into your home water line. By using the valve, you can handle the sewage flow easily.

Who Is In Charge Of Paying For Backflow Prevention?


The homeowner is getting responsible for keeping their home perfect. All the cities and towns are choosing and maintain the backflow prevention on the homeowner.

If you need it, you have to contact the municipal office and get help. It is common for all kind of issues like harmful backflow prevention, improper water line etc.

Is It Good To Use The Irrigation System Without Backflow Prevention?

Without backflow prevention, the irrigation system is getting fertilizer, which is considered a contaminate in your home water. It is really bad for the system without backflow prevention.

It is important to use and notice backflow prevention. Once you ignore that, it will make your home condemned depends on the condition of the system. Therefore, don’t do that. You just consider and maintain the system with backflow prevention. Hereafter you do not find the single drop of polluted water in your water source.

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Conclusion:

The anti-siphon and backflow prevention help to stop toxic water from the pipes. It helps to clean up the water supply system all the time.

All you have to decide between anti siphon valve vs backflow preventer is helps you a lot. Try to learn about it first and then make a decision!! Hurry up!!!

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