FIRE ALARM SYSTEMS FUNDAMENTALS EXPLAINED

smoke, trigger a fire sprinkler. Most fire sprinkler heads arrive Geared up by using a glycerin-loaded glass bulb. Since the glycerin heats up due to the heat from the fire beneath, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler swap senses this flow of drinking water and transmits a sign towards the fire a