Puckdropper
I think it's something like the item decays when exposed to
Sun Oct 24, 2021 4:29am
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air, so after 7 years the CO detector just won't work.

I'm sure the manufacturers don't mind. Why develop something better if they have a guaranteed revenue stream? (They're also required by law in many places and if you've got gas appliances and don't have them you NEED to get one. Seriously. CO is that kind of dangerous.)

    • that expires so it stops working. That makes sense in that regard. Or maybe it's based on average life span? Like, some may work for 15 years but most fail between 6-10?
      • I think it's something like the item decays when exposed to- Puckdropper, Sun Oct 24 2021 4:29am
        • Here in NY I believe we're suppose to have both... - Erik_, Mon Nov 01 2021 2:27am
          by law. Smoke detectors and CO detectors. When we bought our house like 6+ years ago the previous owner was like "I didn't have time to install these, but here's a box with a bunch of detectors to install". We agreed to them and some how having the detectors available in the box like that was ... more
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