LA Spas Internal Plumbing or Component Leak

Spa is leaking water inside the equipment bay, water collecting under pumps or heater.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Loose pump union, Cracked heater manifold, Failed pump shaft seal, Split PVC plumbing or fittings

How to Fix / Troubleshooting

Safety: Turn off power and do not run the spa with a known leak; components can be damaged.

  • Locate source: Dry the equipment bay and run the spa briefly while observing. Look for drips at pump unions, heater unions, and glued fittings.
  • Tighten unions: Hand‑tighten any loose unions on pumps and heater. Do not use tools that can crack the fittings.
  • Inspect pump seal: If water appears at the bottom of a pump motor, the shaft seal may be leaking and the pump should be rebuilt or replaced.
  • Repair plumbing: For cracked PVC, drain below the leak and replace the affected fittings with new PVC and proper spa‑rated cement.
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Repair Difficulty

Hard 4/5

Required Part

Pump Union O-Ring
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