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Question About BRK electronic Smoke Alarm 4120SB
my smoke detector chirp after replacing battery an...

my smoke detector chirp after replacing battery and oneof the other one has a red light blinking

Asked by alton on 07/21/2012 2  Answers

ManualsOnline posted an answer 12 years, 4 months ago

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

colin posted an answer 11 years, 7 months ago

0 is it defective?
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