The fireplace alarm panel acts since the “brains” on the process and will activate a setting up’s sprinkler system if a hearth is detected. However, how the detection devices talk to the user interface may differ by process form. The 302-AW-a hundred thirty five Thermotech charge-anticipation warmth detector from Honeywell https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/