October 2006
Linda's Tips
As temperatures drop and front yards begin to freeze over, the irrigation experts at Rain Bird provide the following helpful tips for keeping sprinkler systems protected from Jack Frost.
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Shutting down the controller, or automatic timer, is a key part of preparing a sprinkler system for winter. Most sprinkler systems have a “rain” or “off” mode that shuts off the signals to the valves.
In this manner, the sprinklers will not turn on, however, they will retain all programming information, such as start times. Turning off the power to the controller is also an option, but this generally erases any programming
that may be stored in the system.
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Shut off the water supply to the sprinkler system. Make sure to protect the shutoff value by wrapping it with foam insulation tape and a plastic bag.
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Insulate any above ground pipes. Most home supply stores sell self-sticking, foam-insulating tape and foam insulating tubes for this task.
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If the water forecasts predict a sudden cold snap, it is essential to remove any water from the pipes and sprinklers so that the water doesn’t freeze and cause pipes to burst. Manual drain values, automatic drain values
and the compressed air blowout method are the three most common ways to drain pipes. An irrigation specialist can help you get the job done while protecting you and your lawn against potential safety risks.
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Backflow prevention devices and values also need insulation if they are above ground. The insulation tape used for the main shutoff valve can be used on this equipment as well, but be careful not to block the air vents or drain outlets.
For more information on winterizing your sprinkler system, or for additional irrigation tips, visit www.Rainbird.com or call 1-800-RAINBIRD.
Since its beginning in 1933, Rain Bird has offered the industry’s broadest range of irrigation products for farms, golf courses, sports arenas, commercial developments and homes in more than 130 countries around the world.
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