OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › AC Diodes????? › Reply To: AC Diodes????? December 4, 2015 at 9:52 pm #40913 gerryr1gerryr1Participant Have another question. What is the minimum AC voltage required to operate open sprinkler. Could the open sprinkle input voltage be say 14, 16, 18, or 20 vac?
