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Question About Costar Carbon Monoxide Alarm 9RV
I have change battery the right one and it still ...

I have change battery the right one and it still beeps once every 30 or so seconds after one day. The date on the alarm said Jan 2011,do I have to replace the alarm or can I keep it with your help Thanks Bill

Asked by Bill on 05/30/2012 1  Answer

ManualsOnline posted an answer 11 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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