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[Technical Question] Can I use a vibratory pump on a commercial espresso machine?

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  • [Technical Question] Can I use a vibratory pump on a commercial espresso machine?

    background: I'm cheap, the machine was $50— and I'm struggling to commit to a >$300 rotary vane pump purchase. The machine had one in a previous life, but when I bought the machine I didn't even know how to use it.
    So could a fully-commercial 2 group use the machine? I'm not sure whether my previously rotary vane driven espresso machine (A Rancillo z11 Omicron II Group) can use a vibratory pump out of the box and plumb it straight into the intake? For instance, does it need an additional Over Pressure Valve? etc.
    Thoughts?
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