LITTLE KNOWN FACTS ABOUT WIRELESS FIRE ALARM SYSTEMS.

smoke, bring about a fire sprinkler. Most fire sprinkler heads come Outfitted using a glycerin-loaded glass bulb. Because the glycerin heats up because of the warmth from a fire underneath, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler switch senses this flow of drinking water and transmits a sign for the