Where a fire alarm system ... bell covered with a protective guard. It uses a clapper attached to a paddle wheel to make it ring. When a sprinkler head opens, water pushes the flapper valve ...

With an expected freeze Monday night, here is how to quickly drain your sprinkler system to prevent freeze damage, if you don't have time to blow it out. 1. Locate the main shut-off valve to your ...

The main drain of an automatic sprinkler system is actually the water flow control valve. It's important to test the functioning of this value at least once per year to ensure proper water flow ...

BOB GRETSKY OWNS SPRINKLER ... SYSTEM, AND DO WHAT’S CALLED A DRY CYCLE. EACH ZONE ONLY TAKES A FEW MINUTES. IT’S RUNNING THE SYSTEM WITHOUT THE WATER ON AND THE IDEA IS TO OPEN THE VALVES ...