Bestway External Water Leak at Fittings

Spa leaks water from around the pump/heater unit or hose connections

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Possible Causes

Loose hose collars, Worn or cracked O-rings at connections, Cross-threaded fittings, Cracked hose or plastic union

How to Fix / Troubleshooting

Safety first: Unplug the spa before tightening or disconnecting any hoses. Avoid overtightening plastic parts.

  • Identify leak source: Dry the area and observe where water appears. Check around each hose collar and union.
  • Tighten connections: Hand-tighten hose collars firmly. Do not use tools that may crack the plastic.
  • Inspect O-rings: If you disconnect a hose, inspect the O-ring for cracks or flattening. Replace if damaged.
  • Check hoses: Look for splits or pinholes along the hose length. Replace any damaged hose.

Persistent leaks from the pump housing or heater body may indicate a cracked casing or internal seal failure, requiring replacement of the pump/heater unit by a technician.

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Repair Difficulty

Easy 2/5

Required Part

Hose O-Ring Seal Kit
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