As winter's chill sets in, it's imperative to winterize your irrigation system effectively. The industry standard typically involves diligently draining the backflow preventer. However, this process alone might not always offer complete protection against freezing, especially given the unique setups of different systems.
To enhance this method, consider bagging and insulating the backflow device. This extra step can significantly slow down the freezing process and offer better protection.
Additionally, during the draining process, it's beneficial to turn on a zone briefly. This action helps to expel any residual water in the system, further reducing the risk of freezing.
For those who want the utmost assurance, removing the backflow preventer is the most foolproof method. After removal, let it drain completely and store it in a safe, frost-free environment like your garage. This technique is highly effective but requires that your system is equipped with unions and a shut-off valve.
Remember, proper winterization is not just about preventing damage; it's about maintaining the efficiency and longevity of your irrigation system. As we brace for the cold, take these steps to ensure your system is safeguarded and ready for the spring thaw. Stay warm and protect your system this winter!