Pump Running But No Suction / Air in System
moderate severitycommonDIY: yesPro repair$50–$200LA-area, parts and labor
DIY cost$5–$100parts and supplies
Typical time1 hrfor a pro
Difficulty2 / 51 is easiest
What you'll notice
- Air bubbles in return lines
- weak flow despite pump running
- priming pump repeatedly
- air in pump basket
Likely causes
- Suction-side air leak (cracked lid O-ring, loose connection)
- water level below skimmer intake
- clogged strainer basket
How to keep it from coming back
- Check water level before each run
- inspect O-rings and connections monthly
- clean strainer basket weekly
Ranges are estimates; see How We Estimate. Affects: all.
Equipment involved
Maintenance that prevents it
Related costs
- Annual Pump Operation (Variable-Speed, 1.5HP, 8 hrs/day): $400–$600
- Annual Heat Pump Operation (electric heating, 6 months): $300–$600
- Pump Replacement (variable-speed, 1.5-2.5 HP): $1,200–$2,500
- Pump Motor Repair (capacitor, seal, bearing): $50–$600