During install, set sprinkler heads level with the soil floor, align arcs clear of hardscape

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

During install, set sprinkler heads stage with the soil floor, align arcs clear of hardscape, and flush strains previously attaching nozzles to hinder trapped particles chopping functionality.