When it comes to air admittance valves, there are a few things you need to take into account in order to choose the right one for your needs. The first thing you need to do is identify the type of system you have. There are two types of systems- wet and dry. If you have a wet system, that means that wastewater is constantly present in the piping. A dry system, on the other hand, only has wastewater present intermittently.
The next thing you need to consider is the size of your valve. Air admittance valves come in different sizes, so you need to make sure you get one that’s big enough for your needs. To figure out the size you need, simply measure the diameter of your largest pipe. Once you have that information, consult a sizing chart to find out which valve size is appropriate for your needs.
Finally, you need to think about where you want to install your valve. Air admittance valves can be installed either above or below ground level. If you install it above ground level, it will be more visible but it will also be easier to maintain and service if needed. If you install it below ground level, it will be less visible but may be more difficult to access if something goes wrong. Ultimately, it’s up to you where you want to install your valve- just make sure whatever location you choose is easily accessible in case something does go wrong andyou needto service or repair your valve.