Machine Anatomy and Mechanics

34mLesson 01

Boilers, group heads, pumps, and PID controllers. Understand how your espresso machine works so you can troubleshoot under pressure and maintain it with care.

From Chef Rosie

Take your time with this lesson. The principles compound — return to it after a week of practice and the subtleties will surface on their own.

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Up next · Lesson 02

The Science of the Grind

Particle size distribution, burr geometry, and retention. Why the grinder matters more than you think and how to keep it calibrated shift after shift.

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