What can cause carbon monoxide detector to beep if I've already repaired my furnace and water heater?

carbon monoxide detectors how they work image

Hector

I just replaced my furnace and made sure my water heater was working properly, but my two carbon monoxide detectors [one brand new!] keep going off. What can be causing that?

Answer
Don't hang around reading Yahoo Answers with a CO detector going off - it might be detecting CO. If you have two going off, it's just that much more likely.

Get out and call someone.

How to test a carbon monoxide detector?

Logic316

Is there any way to make sure a carbon monoxide detector is actually working? I know you can push the button on it, but that only tests the battery, not the CO sensor itself. I have an oil burner and I've actually placed the CO detector *inside* my chimney where it got the full blast of the exhaust and temporarily turned up the fumes by making my burner run too rich. I can't be certain, but this should have produced lots of CO and the detector never went off. Any suggestions?

Answer
Carbon monoxide (CO) is a deadly, colorless, odorless, poisonous gas. It is produced by the incomplete burning of various fuels, including coal, wood, charcoal, oil, kerosene, propane, and natural gas.

Take your detector to your local fire station they know how to test them.

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