by Wendy Stephen | Jun 13, 2016 | Machines, Photos, Uncategorized
The PID (Proportional-Integral-Derivative) is an electronic controller of the heater in the brewing boiler that allows one to adjust the temperature ever so slightly. Double-boilers and preinfusion, true E61 group heads joined with technological innovations and...
by Wendy Stephen | Jun 13, 2016 | Photos, Uncategorized
Photo courtesy of Walking Kind of...
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