I bought a nighthawk carbon monoxide unit back in 1996 or 1997. It seems to have been functioning without error since I bought it. However, I just found out that the unit's useful live may have expired. I need to find out if this is true. ANy info would be apprciated. Thanks

Asked by Bill on 05/06/2010 0  Answer

ManualsOnline posted an answer 14 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

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