De'Longhi La Specialista Maestro (EC9665)

MakerDe'Longhi
BoilerThermoblock
Brew boilerNot listed
Steam boilerNot listed
Water tank2.5 L
Plumb-inNot listed
Voltage (US)120V
Maker's water filterWater filter applicable (charcoal, per the page)

What water does this machine require?

De'Longhi hasn't published a limit our check can use for this machine yet, so the check can't give it a result. Whatever the maker does say is quoted below.

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The maker's water guidance

What the maker says this machine needs from its water. This is machine care, not drinking-water advice.

From De'Longhi's guidance for this model.

  • Hardness setting

    “The machine can also be programmed according to the actual hardness of the water supply in the various regions, in which case descaling may be required less frequently.”

    La Specialista Maestro (EC96XY) instructions for use, print code 5713246521_00_1020, De'Longhi asset 251352, PDF dated Oct 2020, PDF p. 20, Water hardness. Source (opens in a new tab), saved October 28, 2026.

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