Winterizing a sprinkler comes to shutting off the supply, draining lines

https://andersonvzaf303.urbanvellum.com/posts/winterizing-your-system-vital-sprinkler-upkeep-tips

Winterizing a sprinkler contains shutting off the furnish, draining lines, and blowing out remaining water with compressed air to hinder frozen pipes, cracked valves, and pricey spring upkeep.