Bunn Reservoir Seal or Crack

Bunn coffee maker's water reservoir (on models with removable tanks) leaks or seeps water when filled.

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Possible Causes

Cracked plastic reservoir, Worn reservoir O-ring or gasket, Damaged reservoir valve, Improper seating of reservoir

How to Fix / Troubleshooting

Safety: Unplug the brewer before removing the reservoir. Avoid spilling water into electrical areas.

Steps:

  • 1. Remove reservoir: Take out the removable water tank and inspect for visible cracks or damage.
  • 2. Check bottom seal: Inspect the O-ring or gasket at the bottom outlet. Replace if flattened, cracked, or missing.
  • 3. Inspect reservoir valve: On models with a spring-loaded valve, ensure it moves freely and seals when pressed. Replace if it sticks or leaks.
  • 4. Reseat properly: Reinstall the reservoir, ensuring it is fully seated and locked into place to engage the internal seal.
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Repair Difficulty

Easy 2/5

Required Part

Water Reservoir
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