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Question About BRK electronic Smoke Alarm 4120SB
Continued chirping after battery is replaced...

Our smoke detectors are directly wired into the home. We replaced the 9 volt battery when it started chirping. It continues to chirp. And yes, the battery is new.

Asked by Thomas on 07/08/2008 1  Answer

ManualsOnline posted an answer 15 years, 10 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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