The fireplace bells of your hearth alarm system is the primary parts of your alarm system and is of great significance. This hearth alarm bells mainly is the same sort utilized in safety alarms, principally to notify the danger. The sign is picked up from the pull bar unit or a detector, and the control unit will course of it, and this can activate the alarm. Once the circuitry is activated, the hearth alarm bells will ring. Besides this set of bells, there are additionally fireplace alarm techniques which use horn because the notifying device.