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Life Expectancy of CO Detectors

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A GOOD Thing: Been seeing CO detectors nearly everywhere in the last few years, since the Thanksgiving Incident, and before the recent Government Mandates.

A BAD Thing: Came across several sooted boiler and broken vent situations lately, where the occupants smelled something wierd, but the CO detector had not alarmed, or was still reading "zero" In two cases, the Smoke Alarm went off, but nothing from the CO detector.

This is cause for concern! What lifespan can homeowners expect from these devices?.

Comments

  • Al Corelli_2
    Al Corelli_2 Member Posts: 395
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    Longevity

    I was always told five years max.

    We change ours every two years.

    There was an error rendering this rich post.

  • lchmb
    lchmb Member Posts: 2,997
    edited March 2012
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    I like

    Al's thought but generally tell people no more than 4 years.....I do suggest people read the manual that comes with the unit or check with the manufacturer to see if they suggest an earlier replacement...
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