Black+Decker Internal Water Leak

Coffee maker leaks water from the bottom of the unit 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 water reservoir or outlet fitting, loose or split silicone hose, leaking connection at aluminum heating tube, failed O-ring or gasket at pump or flow sensor (if equipped)

How to Fix / Troubleshooting

Safety first: Unplug immediately if you see water leaking near electrical parts. Do not operate the unit until the leak is fixed.

Identify leak source:

  • Remove the carafe and reservoir, dry the exterior of the machine.
  • Place paper towels under the unit and run a short brew cycle with a small amount of water while observing (from a safe distance) where water emerges.

Internal inspection:

  • Unplug and remove the bottom cover.
  • Check all silicone hoses for cracks, splits, or loose clamps.
  • Inspect the joints at the aluminum heating tube, flow sensor, and any pump for signs of dripping or mineral trails.
  • Examine the water reservoir and its outlet fitting for cracks.

When to replace:

  • Replace damaged silicone hoses and secure with new clamps.
  • Replace worn O-rings or gaskets at leaking joints.
  • Replace a cracked water reservoir or reservoir outlet fitting.

Warning: Ensure all internal parts are completely dry before reassembly and testing to avoid electrical shorts.

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Repair Difficulty

Medium 3/5

Required Part

Silicone Water Hose Set
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