Is a Carbon Monoxide CO Detector needed?

[SSE]

Obviously these are needed in properties with fuel burning appliance but is there a need for them if the boiler is external? I've one plumber who always insists on installing them regardless if the boiler is inside or outside & one that says there's no need. Me personally would install one but maybe being over cautious. Thoughts?

 

[nickblake]

Fit then your protected , dont fit and your not protected and could be at risk

 

[ruston]

Fit then your protected , dont fit and your not protected and could be at risk

For the cost I wouldn't even think about it , especially with the AICO interlink system.

 

[Risteard]

For the cost I wouldn't even think about it , especially with the AICO interlink system.

You will need an alarm controller though in order to indicate the source of the alarm (i.e. whether smoke/heat or CO).