Moccamaster Carafe Lid Seal Failure

Carafe lid leaks when pouring coffee

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Possible Causes

Worn or cracked lid gasket, Warped carafe lid, Debris in lid sealing surfaces, Incorrect lid for carafe model

How to Fix / Troubleshooting

Safety: Allow coffee to cool slightly before handling a leaking carafe to avoid burns.

  • Clean lid and gasket: Disassemble the carafe lid if possible. Wash all parts with warm soapy water, paying attention to the gasket groove.
  • Inspect gasket: Check the rubber gasket for cracks, flattening, or hardening. Replace the gasket if any damage is found.
  • Check lid fit: Ensure the lid locks firmly into the carafe and is the correct model for your Moccamaster carafe.
  • Replace lid: If the lid is warped or the internal valve mechanism is damaged, replace the entire carafe lid assembly.
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Repair Difficulty

Very Easy 1/5

Required Part

Carafe Lid Gasket
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