La Marzocco 'GB-5/FB-80' Steam Valve Knob Brand_Magister keeping the counter dry and

keeping the counter dry and the workflow moving

Molded from durable

Inspect the dispersion plate any time you notice channeling or fast/uneven shots

The G3 is known for its heavy-duty precision burrs that produce a high-quality grind in under 30 seconds

La Marzocco 'GB-5/FB-80' Steam Valve Knob Brand_Magister keeping the counter dry andLa Marzocco GB 5 FB 80 Steam Valve Knob (Threadless) Knob for the current "New Style threadless" GB 5 FB 80 steam valve, used on machines built after serial number 5000. This is the only knob version currently produced for these valves. COMPATIBILITY Fits: La Marzocco GB 5 FB 80, new style threadless steam valve, S N 5000+ INSTALLATION Simple hand tightened knob swap, no tools required.