La Marzocco GS/3 MP:
Espresso Settings & Dial-In Guide
The La Marzocco GS/3 MP is a dual boiler espresso machine, designed for commercial use. It features programmable pre-infusion, a 58mm portafilter, pressure profiling, flow control. With dual PID temperature control (85–98°C), you can fine-tune extraction temperature alongside grind size for precise dial-in. The adjustable OPV lets you fine-tune brew pressure beyond the factory setting. Allow 30+ minutes of warm-up time for temperature stability.
At a glance
Machine specifications
Recommended starting parameters
Starting recipe for La Marzocco GS/3 MP
Dose
17–22g
Ratio
1:1.8–1:2.5
Time
25–50s
These are starting points — adjust based on your beans, roast level, and taste preferences.
Known limitations
Very expensive — user is likely highly experienced
Dial-in tips for the La Marzocco GS/3 MP
Commercial-grade dual boiler, dual PID, pressure profiling paddle, flow control, pressure gauge.
Full profiling capability — can recommend declining pressure profiles, pre-infusion ramps, and flow restriction.
Extremely stable temps.
Precise targets at all levels.
User likely very experienced — technical depth appropriate.
Dialing in on the La Marzocco GS/3 MP?
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Manufacturer
La Marzocco
Type
Dual Boiler
Use Case
Commercial
Confidence
High