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Question About Nighthawk 900-0014-04
CO detector...

Need a manual and advice. The reading when on, is '0'; when I push "test/reset' it reads 150 to 161. Is this a real true CO ppm reading or is it a preset number in the unit ??? The unit was manufacturer in 1997-- No fault alarms have gone off - is it still a good dependable unit?

Asked by mark on 11/11/2010 0  Answer

ManualsOnline posted an answer 13 years, 11 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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