We had a large leak in our sprinkler lines in backyard last summer, so we turn of water at the water main. I live in AZ, not in cold weather, therefore my water shut off is just a blue handle outside with the rest of the panel and pipes on the side of my house. I turned that water shut off valve to the off position last summer. It is now spring and we fixed the leak out back and want to turn the water back on. We turned the water main valve back to the on position (didn't hear any gush of water,...
