Calphalon Reservoir Seal / Valve Leak

Water leaks from around the water reservoir area onto the counter.

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Possible Causes

Worn reservoir outlet O-ring, Cracked reservoir body, Debris on reservoir valve, Misaligned reservoir seating

How to Fix / Troubleshooting

Safety first: Unplug the coffee maker before removing the reservoir.

  • Remove and inspect reservoir: Take the reservoir off the base and fill it over a sink. Check for cracks or leaks from seams.
  • Inspect outlet valve and O-ring: Look at the bottom outlet where it mates with the coffee maker. If the rubber O-ring is flattened, cracked, or missing, it can cause leaks.
  • Clean mating surfaces: Wipe the reservoir outlet and the inlet port on the coffee maker with a damp cloth to remove coffee residue or scale.
  • Reseat firmly: Reinstall the reservoir, pressing it down until it is fully seated and stable.
  • Replace reservoir if needed: If the reservoir leaks when off the machine or the outlet valve is damaged, replace the entire reservoir assembly.
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Repair Difficulty

Easy 2/5

Required Part

Water Reservoir Assembly
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