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Question About BRK electronic Smoke Alarm 4120B
I have the BRK model 4120B and need to replace thi...

I have the BRK model 4120B and need to replace this. Is there another model that I can purchase where it is easier to change the battery.

Asked by Vanessa Trent on 06/29/2012 2  Answers

ManualsOnline posted an answer 12 years, 5 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 yes, that's the 9120b
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