57861 Solenoid for Battery Operated TimerProduct ReviewP Click on the link for more reviewsPConvert Orbit automatic sprinkler valves to battery operated sprinkler timer (Orbit 57860)PWorks on Orbit sprinkler valves with a bleed screw or a solenoid mounted OnOff bleed leverPNot recommended for non-orbit valves or Orbit valves with a side mounted bleed leverP