Rancilio Internal Hose or Fitting Leak

Water leaking from bottom of machine or inside chassis; puddle under machine.

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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, Leaking boiler fitting, Split plastic reservoir outlet fitting

How to Fix / Troubleshooting

Safety: Unplug the machine immediately. Water inside can cause electrical shorts.

  • Remove covers: Take off the top and side panels to inspect the internal plumbing.
  • Identify leak source: Run the machine briefly while observing hoses, pump, boiler, and valves. Look for drips or spray.
  • Tighten or replace: Tighten hose clamps and compression nuts. Replace any cracked silicone hoses or plastic fittings with heat‑rated parts.
  • Check boiler gaskets: Inspect boiler element flange and fittings for seepage. Replace gaskets if leaking.
  • Dry thoroughly: After repair, dry the base pan and components before restoring power.
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Repair Difficulty

Medium 3/5

Required Part

Silicone Water Hose
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