Look what they have done to the Origo

[JumbleDuck]

I agree, plus it makes a lot of Co. My count being 105ppm before I quit using it! By the way, the gas stove gets no reaction from the Co alarm

Ethanol and methanol both trigger CO sensors.

 

[Bru]

Ethanol and methanol both trigger CO sensors.

Yep, spirit stoves give a false reading on most (all?) CO sensors