Bialetti Internal Leak in Hydraulic Circuit

Electric Bialetti espresso machine leaks water from the base during or after brewing.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Cracked silicone hose, Loose hose clamp, Boiler or thermoblock gasket failure, Cracked water tank outlet fitting

How to Fix / Troubleshooting

Safety first: Unplug the machine immediately and do not use it until the leak is fixed. Water near live parts is dangerous.

  • Identify leak source (advanced): Remove the outer cover and run a brief brew cycle while observing (keep clear of live parts). Look for drips from hoses, joints, or the boiler.
  • Tighten clamps: If a hose is leaking at a clamp, reposition and tighten the clamp or replace it with a new one.
  • Replace cracked hoses: Cut out damaged sections and replace with high-temperature food-grade silicone hose of the same diameter.
  • Check boiler gaskets: If water seeps from the boiler seam, replace the boiler gasket or the entire boiler assembly.

After repair, dry the interior thoroughly before reassembly and test for further leaks.

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Repair Difficulty

Hard 4/5

Required Part

Silicone Water Hoses and Boiler Gasket
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