Breville Dual Boiler:
Espresso Settings & Dial-In Guide
The Breville Dual Boiler is a dual boiler espresso machine, designed for prosumer use. It features programmable pre-infusion, a 58mm portafilter. With dual PID temperature control (88–98°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 20+ minutes of warm-up time for temperature stability.
At a glance
Machine specifications
Recommended starting parameters
Starting recipe for Breville Dual Boiler
Dose
17–21g
Ratio
1:1.8–1:2.5
Time
25–35s
These are starting points — adjust based on your beans, roast level, and taste preferences.
Known limitations
No pressure profiling
Long warm-up time (20–30 min) for full stability
Dial-in tips for the Breville Dual Boiler
Dual boiler, dual PID.
User can set precise brew temperature.
Programmable pre-infusion (solenoid).
Pressure gauge available.
High temp stability — this machine eliminates temp as a variable.
Focus diagnostic on grind, dose, yield, and extraction time.
Dialing in on the Breville Dual Boiler?
Grindset gives you machine-specific coaching — log your shots and get tailored adjustments for the Dual Boiler.
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Manufacturer
Breville
Type
Dual Boiler
Use Case
Prosumer
Confidence
High