Pump Shaft Seal Leakage
major severityoccasionalCall a proPro repair$100–$250LA-area, parts and labor
DIY cost$0–$0parts and supplies
Typical time1.5 hrfor a pro
Difficulty4 / 51 is easiest
What you'll notice
- Water pooling under pump housing
- water dripping from pump wet end
- visible moisture around motor area
Likely causes
- Normal seal degradation (5-8 years typical)
- high chlorine or low pH causing corrosion
- debris-induced impeller wear
How to keep it from coming back
- Maintain proper water chemistry (pH 7.2-7.6, TA 80-120)
- use corrosion-resistant seals
- inspect pump quarterly
Ranges are estimates; see How We Estimate. Affects: all.
This is a job for a licensed pro, especially where electrical, gas or structural work is involved. If you're in the LA area, R.D. Pools offers free quotes.
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