OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › Low Pressure ( no pressure ! ) system – What's the best valve to use ? › Reply To: Low Pressure ( no pressure ! ) system – What's the best valve to use ? May 18, 2018 at 5:15 pm #50084 MikeParticipant Why a 12v DC stay open valve instead of a 24v AC auto closing ball valve?
