Winterizing a sprinkler contains shutting off the supply, draining traces
https://andersonvzaf303.urbanvellum.com/posts/eco-friendly-lawn-sprinkler-installation-creating-for-water-efficiency
Winterizing a sprinkler entails shutting off the grant, draining strains, and blowing out last water with compressed air to preclude frozen pipes, cracked valves, and expensive spring upkeep.