Winterizing a sprinkler involves shutting off the delivery, draining lines

https://ricardojocn707.quantlynix.com/posts/lengthening-system-life-advanced-sprinkler-maintenance-finest-practices

Winterizing a sprinkler comprises shutting off the offer, draining strains, and blowing out closing water with compressed air to evade frozen pipes, cracked valves, and highly-priced spring upkeep.