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Nighthawk Carbon Monoxide Alarm Manuals

Choose from our list of products below:
  • KN-COEG-3 - Nighthawk Carbon Monoxide Alarm User's Guide KN-COEG-3
  • KN-COP-C - Nighthawk User's Guide AC Powered Carbon Monoxide Alarm KN-COP-C, KN-COP-HW, KN-COP-DP
  • KN-COP-DP - Nighthawk User's Guide AC Powered Carbon Monoxide Alarm KN-COP-C, KN-COP-HW, KN-COP-DP
  • KN-COP-HW - Nighthawk User's Guide AC Powered Carbon Monoxide Alarm KN-COP-C, KN-COP-HW, KN-COP-DP
  • KN-COPP-3 - Nighthawk User's Guide Carbon Monoxide Alarm KN-COPP-3 810-1368

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Member Discussion on Nighthawk Carbon Monoxide Alarm

False alarms

This product started to send a siren sound today and I have no flames in my house. Reading was 438
I have an outdoor furnace that sends hot water into the house and also heats the hot water.
I can't understand how I could have Carbon Monoxide.
I have no open flames in my house.

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