Next up in our mechanically-focused series with Bill Crossland is a discussion of the different types of pressure release valves -- where they are, what they do and how they work. If you've ever been curious about over pressure, brew pressure or solenoid valves, this video is right up your alley.
Tech Tips: Espresso Machine Pressure Release Valves
Kat is a passionate coffee enthusiast and seasoned blogger. Read her posts for insights on brew methods, coffee recipes, and machine reviews.