OpenSprinkler › Forums › Hardware Questions › What type of TVS diode across a 24 VAC sprinkler valve › Reply To: What type of TVS diode across a 24 VAC sprinkler valve June 9, 2019 at 4:24 am #60937 RayKeymaster What version of OpenSprinkler are you using? Or this is your own hardware? OpenSprinkler has TVS diode on every zone.
