My CO2 detector was beeping in the night, both lights flashing and like 3-4 short beeps in a row, pause for a few seconds and repeat. It's a direct plug in one so it's not the batteries, just wondering if we should be worried? We have gas heat but it's been off for about a month?

Asked by Sarah on 06/03/2011 0  Answer

ManualsOnline posted an answer 12 years, 12 months ago

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