How To Blow Out Sprinkler Lines

If you have a bigger sprinkler system you will need to blow out each zone individually using the timer. Blowing out sprinklers before the deep freeze arrives is important.

How To Winterize A Sprinkler System Sprinkler Supply Store

Ewing Irrigations Jeffrey Knight with the help of.

How to blow out sprinkler lines. Backflow valve is a a wheel. Watch the water sprinkling from the system. You need to be able to connect an air supply to the sprinkler lines at the highest point of them and open the line.

Replacement Backflow Preventers httpamznto2f53GlySmall compressor for small yards httpamznto2f3Ycb4This not too hard anyone can do it. On the other hand backflow valves are at risk of freezing small volumes special geometries so freezing could damage it. Just because your system says it operates at 120 PSI of water pressure does not mean you can use up to 120 PSI of air pressure to blow.

Once you have finished with the zone nearest you you have blown out your sprinkler. Step 3 - Blow Out Sprinklers. Some people prefer blowing out a zone in multiple segments instead of one long blowout.

Use a 2 minute time interval to blow out each sprinkler zone. You could blow from there. Turn off the water shut-off valve to your sprinkler line usually located in your basement.

A closed line with pressurized air running through it can burst the pipe. Properly winterizing your irrigation system is essential to preventing damaged pipe and back-flow devices. Additionally dont mistake air pressure and water pressure.

Blowing out sprinkler lines with a compressor is one of the most effective means of winterizing a sprinkler system. As soon as the lines run dry turn off the air compressor and give your sprinkler heads a chance to cool off. Keep the sprinkler on for approximately two minutes in each zone.

When ready turn on the air compressor and watch as it blows the water out of your sprinkler heads. The air should take the exact same path as the water did. Note that you may have a valve specifically for your sprinkler system that comes off your main water.

I use a shop vac all the time when I work on a sprinkler system I use it to suck out any dirt that might have gotten into the pipe when changing a risersaves having to clean or replace the sprinkler spray. Suck the water out for each valve circuit at the lowest sprinkler head for that circuit. You need to shut off the water source to your entire sprinkler system including backflow valve and then blow air in just beyond that shutoff.

But with air you may get much higher spinning which may break the wheel. Using the Timer Blow one zone out at a time. To properly blow out your sprinkler system you may need to have an air compressor that can sustain enough volume to blow air into a section two minutes at a time or even longer.

You should see the sprinkler heads open up and spit water out. When the water turns from mist to air its time to move onto the next zone. Turn on the compressor and begin the blow out process.

Make sure the valves are open on the zone you are blowing out. You want high volume and low pressure to eliminate damage and completely blow out your sprinklers. But there are limitations on which types of compressors will do the job correctly.

For that kind of task you will need an air compressor that can put out a decent volume of air for extended periods of time ideally your air compressor should be capable of providing at least 5 CFM or cubic. Water doesnt flow quickly so it is ok. Dont overblow the line.

Please ensure that your sprinkler systems main valve is completely shut off to avoid any water from seeping in to refill the system. Set the timer to activate the first zone connect your compressor and blow it out and then move forward to the next. Finally unplug the compressor batteries and detract the.

Sprinkler lines should be drained of as much water as possible each season as frozen water will expand and possibly break the underground plastic pipes. Furthermore it is sometimes better to blow out your sprinklers whenever you shut them down for more than 1-2 months. Could you detach the green hose.

As a rule of thumb always make sure that you can connect the air compressor to the highest point of the sprinkler line and then open an outlet at the lowest point. A hundred feet of 34 PVC pipe holds about 3 gallons.

How To Blow Out Winterize Your Sprinkler System Youtube