Repeat steps two to 4 for all of your aged BRK alarms. We advocate replacing all alarms within the method with each other to maintain optimum system Procedure; failing to take action may well compromise interlink general performance. No matter if it’s considered one of our compact Charge-productive addressable panels https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/