Jet pump runs but jets are weak or no water comes out
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Turn off power at the GFCI breaker before loosening any unions.
Weak or no jets with the pump running usually indicates an air lock or blockage.
- Check water level: Ensure the spa is filled to the proper level above all jets and suctions.
- Open all jets: Turn each jet face counterclockwise to the fully open position.
- Bleed air from pump: Loosen the union on the suction side of the jet pump until air and then water escapes, then retighten.
- Clean filter: Remove and rinse the American Whirlpool filter cartridge; try running briefly without the filter to test jet strength.
- Inspect pump impeller: If flow is still weak, remove the pump wet end and check for debris wrapped around the impeller.
Persistent weak jets may indicate a worn impeller or failing pump motor that should be replaced.
Repair Difficulty
Required Part
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