Jura ENA 4

MakerJura
BoilerNot listed
Brew boilerNot listed
Steam boilerNot listed
Water tank1.1 L
Plumb-inNot listed
Voltage (US)120V
Maker's water filterCLEARYL Smart / Smart mini

What water does this machine require?

Jura 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 Jura's guidance for this model.

  • Hardness setting: 1–30 °dH

    “The number of symbols that are brightly lit up indicates the water hardness level: 1–7 °dH (s), 8–15 °dH (ss), 16-23 °dH (sss) and 24–30 °dH (sss£).”

    JURA ENA 4 Instructions for Use (US), PDF created Thu Aug 25 06:23:26 2022 UTC, machine settings / water hardness. Source (opens in a new tab), saved October 29, 2026.

  • Hardness setting

    “Very soft water <3 <3 < 53.4 None Soft water > 4 > 4 > 71 1 Hard water > 8.4 > 8.4 > 150 2 Very hard water > 14 > 14 > 250 3”

    JURA ENA 4 Instructions for Use (US), PDF created Thu Aug 25 06:23:26 2022 UTC, Determining the water hardness (test-strip table). Source (opens in a new tab), saved October 29, 2026.

  • Water type

    “Never use mineral or carbonated water. You can use tap water, bottled water, spring water and reverse osmosis water.”

    JURA ENA 4 Instructions for Use (US), PDF created Thu Aug 25 06:23:26 2022 UTC, Important safeguards / proper use. Source (opens in a new tab), saved October 29, 2026.

  • Water filter

    “Your ENA no longer has to be descaled if you are using the CLEARYL Smart / Smart mini filter cartridge.”

    JURA ENA 4 Instructions for Use (US), PDF created Thu Aug 25 06:23:26 2022 UTC, Inserting/changing the filter. Source (opens in a new tab), saved October 29, 2026.

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