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Question About BRK electronic Smoke Alarm 4120SB
Please help find the manual for this BRK Electronics Smoke Detector...

beeps all the time. changed battery and it beeped, changed battery and hooked back-up and it still beepad.

Asked by john on 09/12/2008 2  Answers

ManualsOnline posted an answer 16 years, 2 months ago

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

posted an answer 15 years, 6 months ago

5 A file was uploaded by an anonymous user I found this manual. Manual.pdf
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