BRK 86RAC Smoke Detector Replacement and Additions (UK) - My Blog
BRK 690MBX user manual (English - 2 pages)
Mains Powered Optical Smoke Alarm - BRK 660MBX
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 (