have a co2 alarm fixed in hall,but will go back today and try to get someone from boru to see the setup as have had back the installer allready
why not invest in a CO2 alarm, but as said above you should get the installer back to test and re-certify
[broken link removed]
(I've certainly no affiliation with the esb btw)
well spotted, that's what i meant Co & even Nox, thanks (I'm writting Co2 to often these daysSee my post above.