NetSpa External Plumbing Leak at Motor Unit

NetSpa hot tub is leaking water from around the base of the motor/heater unit or hose connections.

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Possible Causes

Loose hose clamp, Cracked NetSpa hose, Worn or displaced O-ring at hose connector, Damaged motor unit water fitting

How to Fix / Troubleshooting

Safety first: Unplug the spa before working on any water connections.

  • Locate the leak: Dry the area and then observe where water reappears. Check each hose connection to the motor unit and spa wall.
  • Tighten clamps: Gently tighten hose clamps with a screwdriver. Do not overtighten plastic fittings.
  • Inspect O-rings: Disconnect the leaking hose, inspect the O-ring for cracks or flattening, and replace with a NetSpa-compatible O-ring if damaged. Lubricate lightly with silicone grease before reassembly.
  • Check hoses: Replace any cracked or kinked NetSpa hoses.

If the leak originates from a molded fitting on the motor unit itself, the housing may be cracked and the motor/heater unit may need replacement.

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Repair Difficulty

Easy 2/5

Required Part

NetSpa hose set and O-ring seals
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