Need replacement smoke alarm. Current model (BRK 670MBX) discontinued. Do I *really* need to replace all (as per alarm manufacturer guidelines)? Can I not just wire up generic alarm to the circuit (
Replacing a BRK 670MBX Ionisation Smoke Alarm - YouTube
Replacement for 670MBX smoke alarms | Electricians Forums | Electrical Safety Advice | Talk Electrician Forum
Replacing the Battery in a BRK 670MBX Ionisation Smoke Alarm - YouTube
Mains Powered Smoke Alarm
BRK 670MBX Mains Powered Ionisation Smoke Alarm | Safe Fire Direct
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BRK 670 MBX Smoke Alarm - Mains And Battery - Nov 2025 £84.90 - PicClick UK
Removing a BRK 670MBX or 670MRL Ionisation Smoke Alarm - YouTube
670MBX Archives - My Blog
BRK 670 MBX Smoke Alarm - Mains And Battery - Nov 2025 £84.90 - PicClick UK
Replacing the Battery in a BRK 670MBX Ionisation Smoke Alarm - YouTube