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Question About Nighthawk Carbon Monoxide Alarm KN-COB-DP
alarm beeps 1 time about every 30 seconds even whe...

alarm beeps 1 time about every 30 seconds even when located outdoors. is that a reading or error?

Asked by colleen husok on 07/31/2011 0  Answer

ManualsOnline posted an answer 13 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

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