doitall, if you went to a job and the gas supply to the boiler was run in plastic pipe with speedfit connectors, but there were no leaks and there was sufficient gas pressure at the boiler what would you do?
Would you just ignore it, would you advise the customer about it, or would you cap off the gas supply?
You would ask permission to turn it off, if refused we would contact the supplier who would turn it off in the road.
Different situation altogether, sleeving a cpc is not even out of regs let alone dangerous.

