Fascination About fire alarm systems
smoke, set off a fire sprinkler. Most fire sprinkler heads occur Geared up which has a glycerin-crammed glass bulb. Because the glycerin heats up due to the warmth from a fire below, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this movement of h2o and transmits a signal into the fire alarm