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Question About Nighthawk Carbon Monoxide Alarm KN-COB-B
User's Guide...

Unit error. Alarm beeps every 30 secs after I replaced the batteries. Refers to User's Guide for details but I don't have one.

Asked by Joe on 02/17/2011 0  Answer

ManualsOnline posted an answer 13 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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