Despite a warm forecast, most experts advise waiting until mid-May to activate sprinkler systems. Here's what the last-freeze ...

The first step is to locate your irrigation box. It's usually outside, in the front of your house. Open it up and look for the drain valve. Turn it off by turning the valve to the right. Cover box ...

the air compressor should be installed downstream of the backflow preventer. When there're manual valves installed at the end and low points of the irrigation piping, use the manual drain method. Turn ...

Open it up and look for the drain valve. Turn it off by turning the valve to the right. Cover box back up. Now, go to your back flow preventer to keep the water from your sprinkler system from ...