Winterizing a sprinkler comes to shutting off the deliver, draining lines
https://cashlsam759.cavandoragh.org/smart-lawn-sprinkler-installation-updating-to-wi-fi-controllers
Winterizing a sprinkler involves shutting off the grant, draining traces, and blowing out final water with compressed air to prevent frozen pipes, cracked valves, and high-priced spring maintenance.