THE SMART TRICK OF FIRE ALARM SYSTEMS THAT NO ONE IS DISCUSSING

smoke, set off a fire sprinkler. Most fire sprinkler heads come Outfitted having a glycerin-loaded glass bulb. As being the glycerin heats up mainly because of the warmth from the fire below, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler switch senses this flow of h2o and transmits a signal into the fire a