Winterizing a sprinkler includes shutting off the source, draining traces

https://marcowrav984.brightsora.com/posts/leading-10-sprinkler-repair-tips-every-house-owner-ought-to-know

Winterizing a sprinkler involves shutting off the grant, draining lines, and blowing out ultimate water with compressed air to avoid frozen pipes, cracked valves, and expensive spring repairs.