Yes the system doesn't become defective but as you rightly say it also
DOES NOT meet the MANDATORY requirements of the Scottish regulations and
so effectively becomes pointless as any home with this system will need
to buy a second system that meets ...
The Scottish government list the Nest Protect system as non compliant.
It may not be passed into law but I think the wording is pretty much
set. There are many reasons for a dedicated heat alarm. This is just
one. I had planned to fit one of these in...