5 Essential Elements For wireless fire alarm systems
smoke, cause a fire sprinkler. Most fire sprinkler heads come Outfitted with a glycerin-loaded glass bulb. Because the glycerin heats up due to the warmth from the fire under, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler swap senses this movement of h2o and transmits a signal to your fire alarm control pa