Getting ready to change the group head seal on my Bezzera BZ99s, which I believe is a pre-2000 machine.
As far as I can tell currently has an "old style" o-ring type group head seal.
I'm just wondering if anyone knows:
Thanks!
As far as I can tell currently has an "old style" o-ring type group head seal.
I'm just wondering if anyone knows:
- whether the newer "flat/conical" style will fit?
- is there is a benefit in changing to the new style?
Thanks!

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