OpenSprinkler › Forums › Hardware Questions › Manual needed for older system › Reply To: Manual needed for older system July 8, 2024 at 9:00 am #79461 RayKeymaster From the picture, it looks like you have OpenSprinkler 3.0 AC-powered. You can point them to the OpenSprinkler support website: support.opensprinkler.com which has videos, user manuals, and answers to common questions.
