OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › Does Open Sprinkler AC have power supply minimum/maximum amperage? › Reply To: Does Open Sprinkler AC have power supply minimum/maximum amperage? November 3, 2015 at 9:25 pm #40675 Ryan TurnquistParticipant I have a similar question as the original post. Would it be possible to run a 24vac 2A pump threw the OpenSprinkler if a 3A 24vac transformer is used? Or is a pump start relay needed? Thanks Ryan
