USSPA Reduced Jet Pressure / Flow Restriction

Spa jets are weak even with pumps on high speed.

Advertisements

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.
Advertisements

Repair Difficulty

Easy 2/5

Required Part

Jet Pump Impeller
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements