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Question About Nighthawk Carbon Monoxide Alarm 900-0058-04
Does it need to be replaced?...

Was manufactured in 10- 1996. Plugs in to outlet, green light on and tests OK but don't know if it is working properly. Was here when we bought the house in 2002

Asked by Larry on 02/22/2012 0  Answer

ManualsOnline posted an answer 12 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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