La Pavoni Lever Grouphead to Boiler Gasket code 465128 is placed right between the group head of your LP and the boiler, so inside the ,,neck” of the machine.
Position 85 in the attached scheme. Please view second photo for your reference.
If you will ever get from that zone, steam or water or you see way to much play, it’s best to replace the gasket.
O’ring thickness is 2.62 mm, internal diameter is 28.25 mm.
Used with all Pavoni lever machines with bolt on group head.