Winterizing a sprinkler includes shutting off the deliver, draining lines

https://shanecths466.novacrestiq.com/posts/emergency-sprinkler-repair-service-quick-fixes-to-quit-leaks

Winterizing a sprinkler comes to shutting off the grant, draining strains, and blowing out last water with compressed air to avert frozen pipes, cracked valves, and steeply-priced spring repairs.