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8.8 Weak Or Surging Jets
Weak or surging jets are usually caused by an insufficient water supply to the pump or a clogged or broken impel-
ler. The water level may simply be too low, or there may be an obstruction in the water flow path to the pump or
in the pump’s impeller. Before making a service call, ask the customer to verify that all jets are open and that there
is sufficient water in the hot tub.
Suggested Spare Parts (Page 59): Filter, pump.
Standard Troubleshooting Approach
Is the water level OK?
Is the filter cartridge
clogged or dirty?
Is the filter installed
correctly?
Clean or replace filter
cartridge.
Take pump housing
apart. Is debris pres-
ent in pump impeller?
Is the impeller bro-
ken?
If pump suction line
is clear, check for
blockage in plumb-
ing on the return side
of pump. Call Jacuzzi
Hot Tubs Technical
Support for assistance
in performing this
verification step.
Remove debris or re-
place broken impeller.
Fix filter installation
problem.
Adjust the water level.
Is there debris or a
loose foreign object
between the filter and
pump input?
Remove debris or
loose foreign object.
No
Yes
Yes
No
No
No No
Yes
Yes Yes
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