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A comment on Tell HN: Candles can make you feel tired. Parent comment

Re:Tell HN: Candles can make you feel tired by mindcrime on Thursday February 17, 2022 @05:59PM (#30379885)
Yeah, under ordinary circumstances your boiler or whatever should not contribute enough CO to cause problems. It's when something weird happens that you have to worry (usually). Like if the jet is clogged or something else happens that can cause incomplete combustion. Incomplete combustion is your enemy when it comes to CO[1].

[1]: https://www.abe.iastate.edu/extension-and-outreach/carbon-mo...

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Re:Tell HN: Candles can make you feel tired by benjamir on Friday February 18, 2022 @05:13AM (#30384032)
* I wrote about CO2.

* The boiler's flame is visible (through a slit).

* The system doesn't have a separate supply stream -- it takes oxygen from the flat.

An CO sensor seems obligatory to me: after the chemney sweeper (obligatory in Germany) measured 10,000ppm CO in the exhaust stream (defect, not normal operation), I didn't want to depend on a 25y+ boiler's electronics alone.

CO kills relatively fast. Even if rare, I don't want to die caused by a rare event that could have been avoided by spending ~50€ (here)

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