Winterizing a sprinkler includes shutting off the provide, draining lines

https://erickrzli723.capitaljays.com/posts/when-to-change-vs-fixing-making-the-right-lawn-sprinkler-decision

Winterizing a sprinkler entails shutting off the deliver, draining strains, and blowing out last water with compressed air to prevent frozen pipes, cracked valves, and highly-priced spring repairs.