Ok, software done; on to the relay controller box! [danman]’s sprinkler system has four 12V AC valves that need wrangling, and no data cables, necessitating the wireless setup. Initially ...

A sprinkler system employing automatic sprinklers attached to a piping system containing air or nitrogen under pressure, the release of which (from the open sprinklers) permits the water pressure to ...

This system has various components, including sprinkler heads, valves, pipes, and a controller. The pipes are buried ...

Start by turning off the water supply to the sprinkler system. The shut-off valve should be on the home's side of the backflow preventer. It's common for the valve to be in a box just under the ...