Jandy
Broken Impeller or Sheared Shaft Connection
Pump motor runs but impeller does not turn (no water movement).
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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
Impeller hub cracked, Shaft adapter broken, Corrosion on shaft, Previous mechanical overload
How to Fix / Troubleshooting
Safety first: Turn off power and close valves before disassembling the pump.
- Disassemble wet end:
- Remove pump lid and basket, then separate motor from pump housing.
- Inspect impeller and shaft:
- Check if impeller spins freely on shaft or if hub is cracked.
- Inspect any shaft adapter or key for damage.
- Replace damaged parts:
- Install a new Jandy impeller and any required shaft adapter or seal plate components.
- Always replace the mechanical seal when replacing the impeller.
- Reassemble and test:
- Prime and run the pump, verifying normal flow.
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Repair Difficulty
Hard
4/5
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