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The water supply should be turned off at the main valve and the irrigation timer should be set to the “Rain” or “Off” setting. Each valve should be turned on manually to release pressure and water in the pipes. This is done to protect any components that could freeze. Your irrigation system may have manual or automatic drain valves that need to be opened for proper drainage, make sure the drain valve is pointing downward to facilitate flow or the system will have to be blown out using compressed air. Do not exceed 50 psi of air pressure.
Warning! We recommend hiring a professional when winterizing with compressed air.
* Follow the recommended winterization instructions included with your sprinkler timer.
Title: Winterization procedures for cold climates for your irrigation system
Description: Winterizing your irrigation system.
Published: 11/1/2013
Last Edited: 11/3/2015
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