La Pavoni Lever Heating Element Gasket or Seal code 1186641/465225 (Red Silicone) is located right inside the boiler, on the buttom part, making the seal between the element and base edge.
Position 8 in the attached scheme pic. Please view second photo for your reference.
It’s used inside the LP group head and is a standard part compatible with:
1. La Pavoni Stradivari Lusso STL, STH;
2. La Pavoni Stradivari Professional SPL and SPH;
3. La Pavoni Europiccola EN, EL, ELH, ERG;
4. La Pavoni Professional PN, PL, PLH, PRG, PDH;
5. La Pavoni Romantica GRL;
6. La Pavoni Stradivari Gran Romantica SGR;
7. Gaggia Factory G105, G106.