La Marzocco Wet Steam / Condensation in Steam Circuit

Steam wand spits excessive water before producing dry steam; milk texture is inconsistent.

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Possible Causes

Steam boiler temperature set too low, long idle times causing condensate buildup, steam wand not purged before use, scaled or partially flooded steam boiler

How to Fix / Troubleshooting

Safety first: Use caution when purging steam; hot water and steam can cause burns.

Steps:

  • Purge before steaming: Always open the steam wand for a few seconds before inserting into milk to clear condensate.
  • Check steam pressure: Ensure the boiler is reaching the correct pressure. Low pressure leads to wetter steam.
  • Adjust temperature/pressure: If the machine allows, increase steam boiler setpoint within La Marzocco’s recommended range.
  • Inspect for scale or overfilling: If the boiler is overfilled or heavily scaled, water carryover can increase. Have a technician check level probe calibration and descale the boiler if needed.
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Repair Difficulty

Easy 2/5

Required Part

Steam Boiler Level Probe
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