Agrippa Acoustic Fire Door Closer

Unlike other acoustic fire door holders and fire door closers geofire s agrippa devices listen to and then learn and recognise the sound of your particular fire alarm siren or smoke alarm meaning that they won t trigger your fire door to close if they hear other loud noises. The releasing trigger reacts to a particular sound rather than simply a loud noise significantly reducing false activations. The agrippa door closer learns the sound of your specific fire alarm releasing the door in the event of a fire.

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