Originally posted by Talk_Coffee
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And I'll just ask Yelta/anyone the question straight out - if there were two machines on a shelf, identical with the exception that one was controlled with a 15°C-band thermostat and poor intra-shot temperature stability and no temperature readout, the other controlled to 0.2°C with PID control and a temperature readout, and the difference in price was $40, which would you choose?
Originally posted by Hildy
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The boiler runs hotter to enable the water to maintain required temperature at the puck while room-temperature water is pouring into the boiler at the flow-rate of an "ideal" double-shot extraction.
In the Gaggia Classic, it is the boiler-housing temp that is measured and the boiler-housing temp that is controlled by the heating element (which then transfers to the water inside), not the water temp itself.




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