@Julia_CaSsian@GalenValdrof wait he did not pressure test it? that is a must according to Italian law and EU law that working pressure and system tightness must be checked when working with gas lines and if they dont they can lose there certification.
@SheriffEli they check my heart once a year with a probe that goes down a vein in the neck to check the size, valves and pressure if they do that on you then you wont feel a thing.