Shut off the water supply to the entire sprinkler system; The tee selected will depend on the type of service line piping. LG3HE Inground sprinkler with ClicknGo Hose Connect Cut into your household service line and install a system appropriate tee, after the meter. How to turn off sprinkler system rain bird . Clean the head properly to remove the clogs and deposits If you have an automatic system then you will need to ” shut down” the controller ( timer ). How do i turn off my rainbird sprinkler system for winter? Rain bird sprinklers are electrically wired to turn on and off according to the settings on a controller. You will never again have to worry about wasting water if you forget to turn off the hose. Level sprinkler heads with soil level. Using pliers, grasp the elevated metal head in the middle of the nozzle and pull the sprinkler up. You can set these days off so you wonã¢âât violate watering restrictions. Follow the steps below to adjust the sprinkler h...