Generally, the air admittance valve for the toilet comes with half inches diameter or 2-inch diameter. Though it refers to local code for specific vent recommendations, you will get half or 2-inches size for most of the air admittance valves for the toilet.
If you are newly plumbing the toilet with an air admittance valve for the toilet, you should contact the local authority to know the code. However, let’s discuss in detail about this matter so that you will get a clear concept.
What Size is the Air Admittance Valve for Toilet?
To assemble the air admittance valve for the toilet, you need to know the right size of the valve. You need to contact the local authority to get the right size. Different countries have different codes for valve size, which you need to know.
Furthermore, the toilet’s air admittance valve usually comes with 1 1/2inches or 2-inches. You can also check out the previous valve size so that you can hassle-free install an air admittance valve for the toilet.
No doubt, the air admittance valve for the toilet is an essential part of your house. When you are using the right size air admittance valve for the toilet, you will get some extra benefits. I hope that you can understand whatever I said to you.
What Is An Air Admittance Valve for Toilet?
The air admittance valve is a device capable of solving the problem with the conventional open pipe. The venting pipe design and drain waste easily flow because of the help of air admittance.
Besides the vented pipe, you can use air admittance, but you will not get a far difference between them. So, if you think it is impossible for you to use a vented pipe for your toilet, you can use air admittance without facing any problems.
Air Admittance Valve Instead of Vent Pipe
The air admittance valve (AAV) is a device that allows air to enter the drain and make a balance of pressure that develops in the drain system. No doubt, it is an essential element for your water and drains system to make a perfect balance of pressure.
Similarly, the vent pipe is ready to provide a perfect solution to control the water pressure and provide a perfect flow of waste and water. So, you can also use the vent pipe for your toilet.
But, the question is, which one is better air admittance valve (AAV) or the vent pipe? According to my experience, the vent pipe is far better than air admittance. No doubt, you can use an air admittance valve (AAV) instead of a vent pipe.
According to my experience, you should use a vent pipe if possible. Why? Because it is easy to assemble, takes more pressure than AAV, and also comes with a less high price. I hope that the information is clear to you.
FAQs (Frequently Ask Questions)
Q: Can you put an AAV on a toilet?
Answer: Typically, AAV (air admittance valve) helps the air enter the drain and make a perfect pressure balance. So, it is wise to put AAV on your toilet to make the perfect balance of pressure.
Q: Can you use a 2-inch vent on a toilet?
Answer: Generally, most plumbers recommend using a 2-inch vent on a toilet because of some extra advantages over a 1 1/2-inches vent pipe. So, you can also use a 2-inches vent on a toilet.
Q: Do toilet drains need to be vented?
Answer: The toilet drains need to be vented to create perfect pressure and flow the air properly. Moreover, it would be better for you to use AAV besides the vented pipe to get the best experience.
Q: When should the air admittance valve be installed?
Answer: You should install the air admittance valve at a minimum of 200mm above any water entry point. It is important to assemble the air admittance valve minimum of 200mm to get some extra benefits and avoid any kinds of accidents.
Q: Does a toilet need a 3-inch vent?
Answer: I think not so. You don’t need to use a 3-inch vent because so many countries don’t accept the code. You can use 1 1/2-inches or 2-inches vent pipe size, which is truly good enough for the toilet.
Wrapping Up!
The air admittance valve helps the air properly enter into the drain and make a proper balance of pressure. But, when you don’t use the perfect size of the valve, your toilet drain may lose to make a perfect pressure balance which also affects the pipe and water system. So, you use the right size air admittance valve for your toilet and keep the toilet safe.
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Hi, there my name is William Lee and I am the founder of the DecorHomefFiner.com website. I am an expert DIY for bathrooms, living rooms, and kitchens. I am also a social helper which means I am helping people on social media about their homes.