LITTLE KNOWN FACTS ABOUT WIRELESS FIRE ALARM SYSTEMS.

smoke, result in a fire sprinkler. Most fire sprinkler heads occur Geared up by using a glycerin-loaded glass bulb. As being the glycerin heats up a result of the warmth from the fire down below, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler swap senses this stream of water and transmits a signal towards t