Explains the cooling flush in dual-circuit/HX portafilter machines: briefly draining superheated water from the heat exchanger before the actual brew to achieve the optimal brewing temperature.
In dual-circuit machines, the water in the heat exchanger overheats between brews. A "blank brew"—that is, briefly letting a small amount of water run through before the actual espresso—flushes out this overheated water and brings the temperature back to the optimal range.
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B2B Access for Authorized Business Partners Only
Our B2B store is intended exclusively for " Espresso Perfetto " franchise partners and select specialty coffee partners.
A valid VAT number, sales tax ID, or business registration does not automatically grant access to our B2B store or our reseller terms.
We work exclusively with select partners who meet our requirements. We review each registration individually. B2B access is activated and the agreed-upon dealer prices are made available only after we have given our express approval.
Please note: Registrations that do not meet our requirements will not be approved as merchant accounts.