USSPA
Reduced Jet Pressure / Flow Restriction
Spa jets are weak even with pumps on high speed.
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Possible Causes
Dirty filters, Partially closed slice valves, Air leak on suction side, Worn pump impeller or clogged impeller vanes
How to Fix / Troubleshooting
Safety first: Turn OFF power before removing filters or opening unions.
- Clean filters:
- Remove and thoroughly rinse or replace filter cartridges.
- Check valves:
- Ensure all slice valves are fully open.
- Inspect for air leaks:
- Look for bubbles in the pump basket area or at unions; tighten unions if air is being drawn in.
- Check pump impeller:
- Remove pump wet end and inspect impeller for debris or wear; clean or replace as needed.
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Repair Difficulty
Easy
2/5
Required Part
Jet Pump Impeller
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