Hurlcon
Failed Mechanical Seal
Water leaking from the join between the pump housing and motor, or from under the motor.
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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
Worn ceramic/carbon seal in Hurlcon pump, Dry running, Chemical attack from imbalance, Age-related wear
How to Fix / Troubleshooting
Safety: Turn off power and close valves. Do not run the pump with an active leak near the motor.
- Confirm leak source: Dry the area and observe where water first appears when the pump runs. A drip from the weep hole or motor flange indicates seal failure.
- Do not ignore: Continued operation will allow water into the motor bearings, leading to motor failure.
- Seal replacement: The pump must be disassembled, the impeller removed, and the mechanical seal replaced with a genuine Hurlcon seal kit.
Mechanical seal replacement is moderately technical; many owners choose to have a pump technician perform this repair.
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Repair Difficulty
Hard
4/5
Required Part
Hurlcon pump mechanical seal
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