Chris Lewis wrote
Rod Speed wrote

You can't be certain something won't go wrong with the dryer

You can be certain it wont be producing
CO, they dont go wrong like that.

Sure they do. Any combustion appliance is capable
of producing CO given the right circumstances.

Pity those circumstances dont occur in real life.

And you're welcome to add a CO sensor if you're that neurotic anyway.

If it burns carbon containing fuel, it's possible to malfunction into
producing CO.

Mindless pig ignorant waffle. Have fun explaining why
its so rare with unvented natural gas room heaters.

My mother was on a coroner's inquest
about someone who died from CO poisoning.

Because of dustbunnies obstructing a natural gas appliance's air supply.

Easy to claim. Hell of a lot harder to actually prove.

And it wouldnt happen with a dryer anyway, they
have fans that most natural gas appliances dont.