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Get Ready for Winter With A Sprinkler System Winterization

Posted by on in Sprinkler Systems
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When Should You Winterize Your Sprinkler System in NJ??

Before it gets too cold, it’s important to think about getting your property ready for the winter. Now is the perfect time to schedule a sprinkler system winterization. Part of our sprinkler services, a sprinkler system winterization basically insures that all water is taken out of your system before the first freeze of the year hits. Here’s a little bit more detail about how a sprinkler winterization is done.

Shut Off & Insulate Your Irrigation System

Sprinkler Water Valve

You’ll want to do this before the first night below freezing. According to plantmaps.com, the Hillsborough area sees their average first frost from October 11 to 20. We will help you with shutting off your outdoor water and ensure that your main shut-off valve is sheltered from cold temperatures. Usually, we’ll apply an insulating tape and cover it with a plastic bag. If you have any above ground piping connected to your sprinkler system that will also need to be insulated.

Winterization Methods

Blow Out

Air Compressor

This is the most common winterization method we use. Any existing water you have in your pipes, valves, or sprinkler heads will need to be blown out with an air compressor. Otherwise, you run the risk of having a damaged sprinkler system. We’ll run compressed air through your irrigation system to ensure that no water is left behind. If you’re dealing with a brand new sprinkler system, it’s best to call a professional, as using the wrong type of compressor could over pressurize your irrigation system and cause damage.

Automatic or Manual Drain Valve

On some properties, a manual or automatic drain may be a better solution. Like a blow out, the goal of these is to remove any excess water from your irrigation system. For an automatic drain valve, water is removed from your irrigation system each time you shut it off. We’ll usually check to make sure that there’s no excess ponding or unusually wet areas, as that could mean a drain is stuck open while the sprinkler operates.

Manual drains will tend to have valves at the end or at the lowest points of your irrigation piping. Most homes have usually had this replaced with automatic drains, but if you live in an older home, you may have this. For this, we’ll usually need to bring a backflow device and will need to manually drain any excess water out of the stop and waste valve, and then manually close them once all water has been removed.


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