Winterizing a sprinkler contains shutting off the source, draining traces

https://kyleriliv329.zenbloomer.com/posts/diy-vs-expert-sprinkler-setup-what-you-need-to-think-about

Winterizing a sprinkler consists of shutting off the give, draining strains, and blowing out final water with compressed air to hinder frozen pipes, cracked valves, and expensive spring upkeep.