Repeat methods two to four for all your outdated BRK alarms. We endorse replacing all alarms inside the process alongside one another to maintain optimum technique Procedure; failing to take action might compromise interlink effectiveness. third Bash Cookies This Web-site uses Google Analytics to collect anonymous details like the volume https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/