Carbon Monoxide Detector

[toskeysam]

I also had a CO detector fail. Rather than try again with another one....tech recommended replacing with identical (but battery only) one. The only rub was that warranty would only cover replacing like-for-like so I just bought the battery unit.


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[02interstate]

I also replaced mine with a battery powered unit (found on amazon).

[MaineStreamer]

My 2007 First Alert CO detector (3 AAA batteries) started beeping this week and wouldn't stop unless I took it outside and waved it around. Battery replacement didn't help. It had some corrosion on two connections apparently from the prior owner having one or two leaked batteries sometime before I bought the Safari last year. First Alert customer service didn't even have specs for this unit anymore, but told me that their units now have 5- or 10-year warranties, and they consider the warranty period to be the usage life, so my old unit should be replaced no matter what caused the beeping. When fooling around could result in my death, I will follow their advice and replace the unit.

[Titus]

they replaced our hard-wired one with a battery-only under warranty.

[73shark]

FWIW, most, if not all, smoke detectors are only considered good for ten years from date of manufacture due to the half-life of the radioactive element used in the sensor.