Arthur Pendelton was a man who believed in preparedness. Not the boy-scout kind with knot-tying and fire-starting, but the quiet, obsessive kind that filled his basement with thirty-year shelf-life chili and his garage with a machine that could, theoretically, survive the heat death of the sun.
The panel is used in commercial and residential settings. It is used where water-sensitive equipment requires "double safety" against unwanted release. Minimax Dsz 3000
It distinguishes between fire release and accidental mechanical damage to a sprinkler. This helps prevent unnecessary water damage. Arthur Pendelton was a man who believed in preparedness