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Question About Nighthawk Carbon Monoxide Alarm 900-0014-01
Date pf mfg, 01-12-96, 900-0014-01 model: no matte...

Date pf mfg, 01-12-96, 900-0014-01 model: no matter how many times I reset it reads 500 to 900 and a steady alarm goes off. The newer house alarms are not going off, but those do not give a reading. Is this Nighthawk model too old to function properly any longer?

Asked by Mark on 06/22/2011 0  Answer

ManualsOnline posted an answer 13 years, 3 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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