![]() In some instances, the ground is not completely flat or the drain valve is positioned toward the bottom of the system. If the spring-loaded drain valves toward the system’s end are not properly installed, the main line might not fully drain. Water pressure is relieved from the valves as well as the main line. Run the controller/timer through its regular watering cycle. Make sure that there is no water in the backflow device, filter, valves, drip hose, sprinklers, pipe and pressure regulator. Do this the day before freezing weather arrives. Some experts also recommend running chlorine (2 PPM) into the system and flushing it out thoroughly for a comprehensive clean ahead of the winter.īegin by turning off the main water supply to the drip irrigation system. Drain valves allow water within the line to drain out. Position them at the lowest possible point within the system. One of the best ways to prevent freezing in your drip irrigation system is to install automatic drain valves. ![]() Here is how to do it.Ī Helpful Preventative Measure for Drip Irrigation Systems It will take an hour or less to winterize your system. Even the main water lines can be damaged if you fail to winterize. If you fail to properly winterize your drip irrigation system, the system’s valves, plastic fittings, poly pipe, filters, PVC pipe or layflat hoses might burst as a result of water freezing inside. These winterization methods will safeguard your drip irrigation system, protecting your investment as well as your property. Be proactive and winterize your drip irrigation system with the methods outlined below. Leaving a drip irrigation system in its natural state during the winter is a mistake.
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