*How To Blow Out Water Lines With An Air Compressor

The air compressor blow out process is very simple and straight forward to understand so you should be able to do it by yourself without any problem at all! The air flow needs to travel through your sprinkler system while pressurizing them, which means that if anything was blocking the air flow direction, air would be unable to travel through it. After air reaches your sprinkler heads, air needs to push out the water inside them which means that air will exit your sprinkler system at the end of this process. However, air compressor blow out can be done easily by yourself without any issues! Just follow these steps below and you should be air compressor blow out your sprinkler system in no time!

We also recommend check out our Guide on Best Air Compressor For Blowing Out Sprinklers, which looks at not only how to choose the right Air Compressor for your needs, but also how to get the most out of it.

STEP 1 – PREPARING YOUR AIR COMPRESSOR

how to blow out water lines with an air compressor

The air compressor you are using needs to have the air flow capacity of at least 8 CFM (cubic feet per minute) or more air flow than your sprinkler system head count so air could travel easily through it. For example, if you have a sprinkler system that has 12 heads then air compressor that has at least 20 CFM air flow should be enough to air up those sprinklers without any issues. It is also recommended for your air compressor to deliver 90 PSI of air pressure so it could air up your sprinklers easily.

STEP 2 – FILLING UP THE AIR COMPRESSOR TANK

After air compressor is plugged in, air compressor tank needs to be filled up with air. If your air compressor has a built-in tank then make sure that the air compressor is full before proceeding while if it doesn’t have a built-in air tank then you need to use an external air air tank to air it up.

STEP 3 – SETTING UP YOUR SPRAY MANIFOLD

You need to set up your sprinkler system spray manifold before air compressor air up process can be done. You should have a good idea of where the air will blow out from in order to know how high or low you want your spray manifold to be set up. air air compressor air out process should take around 10 minutes to finish but this time varies depending on the air flow capacity of your air compressor and how many sprinkler heads there are in your system.

how to blow out water lines with an air compressor

STEP 4 – SETTING UP YOUR SPRAY MANIFOLD FOR AIR COMPRESSOR BLOW OUT

After air manifold is set up, air compressor air out process can be done. You need to air up your air compressor for around 5 minutes so it could have enough air pressure in order to air up all of the sprinkler heads at once without any problems.

STEP 5 – AIR COMPRESSOR BLOW OUT PROCESS

After air compressor is set up and air manifold is ready, air then air up your air compressor until it reaches 90 PSI of air pressure. Once air reaches the max air pressure, you need to unplug your air compressor and place its air hose on each sprinkler head. Make sure that every sprinkler head has enough distance between them so they won’t get damage once air starts pushing it. Your sprinkler system should now be fully pressurized and all you need to do is wait for 5 minutes or so until water starts coming out from your sprinklers!

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