Aircraft with landing gear down, stationary on a conveyor, then a 300mph headwind hits it and the landing gear is retracted, what happens?
Ooooooooooooh!
if no assumptions were made we would all be running around our installs forever more checking things to see if they are still ok, we have all seen 40 year old compression fittings that have never leaked.
is it really any surprise those who make living repairing boilers suggest keeping it, and those who make a living installing new ones suggest replacing it?
cut the 8mm with mini pipe cutters instead of a hacksaw and make sure theres no paint or other **** on the pipe, make sure the reducer is fully home onto the pipe, and then radge it up