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

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 going back into the drinking water inside ...

This is done by shutting off the water control valve ... conduct semi-annual water flow testing to ensure that water moves ...

THE results of the extinguishing system statistics of the Bundesverbandes Technischer Brandschutz e.V. (bvfa) for the year ...