De'Longhi La Specialista Touch

MakerDe'Longhi
BoilerThermoblock
Brew boilerNot listed
Steam boilerNot listed
Water tank1.7 L (our conversion)
Plumb-inNot listed
Voltage (US)120V
Maker's water filterNot listed

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.

Will my water work with this machine?

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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.

  • Water type

    “Use only potable fresh water. • Do not use sparkling (carbonated) or distilled water.”

    EC9455M Coffee Maker instructions for use (US/Canada, EN-FR), De'Longhi asset 326297, PDF dated Feb 2025, PDF p. 5, 1.2 What water to use. Source (opens in a new tab), saved October 28, 2026.

  • Hardness setting

    “Select the water hardness basing on the result of the water hardness test”

    EC9455M Coffee Maker instructions for use (US/Canada, EN-FR), De'Longhi asset 326297, PDF dated Feb 2025, PDF p. 19, settings menu, Water hardness. Source (opens in a new tab), saved October 28, 2026.

From De'Longhi's guidance for De'Longhi machines (general FAQ).

  • Hardness setting

    “Setting the water hardness correctly on your machine is highly recommended before you use it for the first time and determines how regularly you will need to descale your coffee appliance.”

    How to check the water hardness before making a coffee? (De'Longhi US FAQ), page text. Source (opens in a new tab), saved October 22, 2026.

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Specs read from the maker's or seller's page.