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Question About First Alert Smoke Alarm 9120B
I have looked at the manual, and have removed the ...

I have looked at the manual, and have removed the old battery. The new battery will not fit in the open door. Is there another lock to release that will provide the necessary space to insert the new battery?

Asked by Carol on 03/23/2013 1  Answer

ManualsOnline posted an answer 11 years, 8 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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