"Rod Speed" wrote in message ...

"harry" wrote in message
...
On Monday, 22 February 2016 08:17:02 UTC, hgww wrote:

Makes a lot more sense to have mains powered gas sensors where the gas
can accumulate.

Rubbish.
Any active sensor can fail.

That's why I said SENSORS, ****wit.

It was hgww who said "SENSORS"
How many socks do you troll under, ****wit?