Machine Components
Group Head
The interface between the espresso machine and the portafilter that delivers pressurized water to the coffee puck. Group head design (E61, saturated, pressurized) affects thermal stability and brewing characteristics.
Machine Components
The interface between the espresso machine and the portafilter that delivers pressurized water to the coffee puck. Group head design (E61, saturated, pressurized) affects thermal stability and brewing characteristics.
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