When starting watering, turn on the sprinkler's rotary valve fist, then turn on the water pump.
When stopping watering, turn off the pump first, and then close the sprinkler's rotary valve.
Running dry of the pump is strictly forbidden
When starting watering, turn on the sprinkler's rotary valve fist, then turn on the water pump.
When stopping watering, turn off the pump first, and then close the sprinkler's rotary valve.
Running dry of the pump is strictly forbidden