Turn off your sprinkler system at the controller. 2. Drain the system to remove standing water from the pipes. Most systems have a drain valve or require manual draining. 3. Cover any above-ground ...
The shut-off valve should be on the home's side ... System Some underground automatic lawn sprinkler systems require you to drain the pipes manually, rather than blowing the water out.
In Southern states, many people take precautions ahead of the first cold front since outdoor faucets are typically unused until spring.