During installation, set sprinkler heads stage with the soil floor, align arcs clear of hardscape

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

During installation, set sprinkler heads level with the soil floor, align arcs faraway from hardscape, and flush strains before attaching nozzles to evade trapped particles lowering efficiency.