Gas/CO detectors

[Grehan]

Worth a look?

http://www.omnitron.co.uk/html/english/productselection.htm

[Hand-held, compact and cheap]
[yes, and I've no connection whatsoever - saw them at the NEC InterBuild exhibition yesterday]

 

[pete]

You can buy domestic CO2 detectors with five year guarantee from most plumbing suppliers for about £27-- they work of there own internal battery.

Pete