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Question About BRK electronic Smoke Alarm 4120SB
BRK model 4120sb smoke detector. we lost power an...

BRK model 4120sb smoke detector. we lost power and all went off due to batteries we took batteries out to stop them. when power returned all detectors went off again and I can't stop them. Any ideas?

Asked by Andrew on 12/30/2014 1  Answer

ManualsOnline posted an answer 9 years, 11 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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