Serious about coffee.
Serious about parts.
The Coffee Parts Knowledge Center — how-to guides, fault diagnosis, brew ratios, water guidance and a parts glossary. Built so you can fix it, dial it in, and enjoy the cup.
Pick your tool
Four interactive tools, plus a growing library of in-depth articles.
Fault Finder
Diagnose espresso machine faults — check order, parts and severity.
Open →Brew Calculator
Ratios, dose, yield and time across espresso, V60, Chemex, AeroPress and more.
Open →Water Filter Finder
Pick the right filter for your suburb — Australian towns and cities covered.
Open →Parts Glossary
Solenoids, OPVs, gicleurs, pressurestats — what they do and when they fail.
Open →Featured this week
Article
How to choose replacement grinder burrs
Flat vs conical, OEM vs SSP/K110+, when to replace and how to size them right.
Read →Fault BibleWhy your group head won't stop dripping
F12 — distinguishing solenoid scale from a worn E61 brew valve.
Read →Brew GuideDialling in espresso for light vs dark roast
Light: 1:2.5–1:3. Dark: 1:1.5–1:2. Why the ratio changes with the bean.
Read →