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Question About First Alert Smoke Alarm 9120B
all alarms went off in house for about 30 seconds...

all alarms went off in house for about 30 seconds for no obvious reason and quit (9120B) directly wired is this a carbon monoxide monitor also?

Asked by Kevin Sparks on 04/08/2014 1  Answer

ManualsOnline posted an answer 10 years, 7 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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