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Flat vs Conical group seal

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  • #16
    Does the portafilter lock in easily and straight with the flat seal? I observed on the few Bezzera's that I mentioned previously that they really didn't work well with anything other than the o-ring seal.

    Good job getting it all sorted out.

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    • #17
      It locks in easily but doesn't go past about 5:30 (if you take 6 o'clock as straight ahead). With the o-ring, even with a packer, it would go right over to about 4:30 where it would hit the stop (with 2 packers, the o-ring wouldn't grip the edges of the groove properly and would fall out as soon as you tried using the machine).

      All I did was install a part provided generously by sprezzatura (Matt of Crema Tech Steamworks)

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