How to blow off your sprinkler before winter comes

2021-12-14 16:12:58 By : Ms. Kelly Zhao

Blowing off your sprinklers is the act of letting your outdoor or garden irrigation system survive the winter. This involves shutting down the main water source. Brandon Haley, a landscape expert and site manager, explained that this is considered an extremely important task—especially because the homeowner wants to avoid freezing or bursting pipes. The costly loss. Up front, how to blow off your sprinkler before the cold comes.

Related: How to maximize the effectiveness of timing sprinklers

Haley pointed out that in order to purge the irrigation system, air is forced into the pipes by air compressors. “Commercial companies use large air compressors that generate a lot of volume, but if homeowners want to do the job, they can use portable options for their residential systems,” he explained. "Just be prepared, because the volume and pressure in the pipeline will take longer to drain the water." If this is your first time participating in this outdoor project, please find your connection point first, which should be close to you The water source of the sprinkler system. Haley says this is where you should connect the air hose. "Another way to remove water from the irrigation pipeline is to design the system so that the water flows or discharges to the lowest part of the yard-and install a safety valve at the end of the pipeline," he added. "Unfortunately, if your system is already underground without this feature, you will have to use compressed air."

As cold air enters, the risk of pipe freezing or cracking increases. "In some areas of the country, the freezing line is located under the irrigation pipes, and if the system is not purged, the pipes may freeze," Haley said. "Water expands when it freezes, so every component of the irrigation system is prone to cracking or breaking." This is true even in areas where pipe freezing is rare, because your irrigation head may freeze. "The irrigation head is not insulated, so prolonged low temperatures are dangerous for anyone," Haley said, noting that homeowners should take action before problems arise.

Solve the problem of sprinkler burst before it freezes for the first time this year. "Make sure you either take the time to do this yourself or arrange for the contractor in advance," Haley said. "The contractor gets very busy in the fall, so be sure to call to make an appointment before and after Labor Day." He added that although the process does not take a long time, give yourself some cushion before the first expected hard freeze sky.

If you are dealing with this task alone, please be patient and take your time. "Make sure that each area is completely blown dry. Water and air will be sprayed from the last nozzle in the pipe," he said, adding that you should give each area enough time to completely release it. "Open each area from the controller until the entire system is completed." Then, when spring comes, let your system gradually recover. "At this time, open the water supply valve slightly more to allow enough time for the system to fill up with water," he said. "Once the system is full, increase the water to approximately 50% of its capacity and open one area at a time." You should do this until all the air has left the network. "If you open the system before all the air is exhausted, it will cause water hammer, which is the so-called'hammer head'. This will damage the irrigation pipes and sprinklers."

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