Ask the experts
Jun 10, 2021
4 minutes
Here’s just a selection of the latest questions from PBO readers. Email or write to the address on page 5 and our experts will answer your queries
GAS FITTING
Carbon monoxide detectors and alcohol stoves
Q We fitted a CO detector when we had a gas stove on our GK24. The gas stove was replaced with an alcohol stove and the CO detector started going off immediately we lit up the alcohol.
It turns out that CO detectors are also directly sensitive to ethanol vapour.
They have a filter membrane on some designs to slow response but eventually they will go off just on ethanol.
Reading technical documentation on CO detectors shows this is a well known problem.
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