Sprinkler Winterization Tips
Before closing all the drain valves, lift each sprinkler head to drain out any residual water. Sprinklers Winterization In other languages: This can take about two minutes, if not longer, per station.
Guide to Wine Country Green State: It simply doesn't get cold enough to freeze that deep down in such climates. The best time to winterize is before cold weather sinks in, and this holds true for sprinkler systems, especially if you live in an area where temperatures drop below freezing for any length of time.
How to Winterize Your Sprinkler System
Water In The Valves - Since water won't drain all the way out of the valves, it will be necessary to remove them. They can save you a great deal of time when it comes to winterization.
Remove The Backflow Preventer - Most likely and preferably your backflow preventer will be located just after the irrigation shut off valve for your lawn sprinkler system.
Automatic valves Other irrigation systems are equipped with valves that will automatically drain water out of the pipes if pressure falls below a certain number of pounds per square inch. Usually, it will be located inside the home, in a basement, garage, or utility closet.
Close the backflow isolation valves and open the compressor valve. This will prevent more water from entering the system so that all you need to do is drain the water already inside. Valves that are installed above ground should be drained of water and stored somewhere safe. Open all the manual drain valves for each zone in the system, and leave them open so that all the water drains from the pipes and sprinkler heads.
How to Prevent Sprinkler Systems from Freezing
Most sprinkler systems are given a GPM rating per zone at the time of installation. Open manual valves by hand. Shut off the compressor. Here is a quick overview of how to install an automatic drain valve in a sprinkler system: Some homeowners choose compressed air and use it to blow out their sprinkler systems, but this method can cause serious injury if not done properly.
how to winterize your irrigation system with Automatic Drain Valves
Begin with the last valve - or the one at the highest elevation. By necessity, the shut off valve for your sprinkler system needs to be located in a place where it can't freeze up; this should have been done when the system was originally installed. If a smaller compressor is used it will take much longer for a complete purge and will overwork the compressor. Move On To The Next Valve - Turn off the valve that you just worked on, and proceed to the next one following the same steps.
Some people choose to use pipe heating cables on their backflow preventers and above ground valves. A Houston, TX Using compressed air without professional knowledge can also put you at risk for serious injury. On the other hand, you should not unplug the controller completely. Then put a threaded metal nipple and cap on the extra leg; you can use this as a connection to the air hose.
Use a compressor providing the proper CFM of air within the correct psi range. If the sprinkler line branches out in multiple directions, then you will need multiple auto drains to cover the different areas. Find the lowest points in the sprinkler system, where water collects when the system is off. Activate a station to release the pressure and to get the automatic drain valves going.
How do you remove a backflow preventer, though? Customer Service Newsroom Contacts.