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Question About BRK electronic Smoke Alarm 4120B
BRK 4120B...

We lost power in the house last night and 3 of our 4 detectors would not stop alarming. Anyone know why this would happen?

Asked by Val on 02/03/2009 1  Answer

ManualsOnline posted an answer 15 years, 9 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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