Clearwater Spas
Heater Ground Fault / Element Breakdown
GFCI trips only when heater is activated; spa runs fine with heater disconnected.
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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
Cracked heater element sheath, Scale buildup causing hot spots, Water intrusion into heater terminals, Damaged heater insulation
How to Fix / Troubleshooting
Safety first: Turn off power and do not bypass the GFCI. Working on the heater involves shock and burn hazards.
- Visual inspection: Look for corrosion or moisture around heater terminals.
- Isolate heater (advanced): A technician can disconnect heater leads and test insulation resistance with a megohmmeter.
In most cases, the heater assembly must be replaced with a Clearwater-compatible unit.
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Repair Difficulty
Professional Required
5/5
Required Part
Heater Assembly
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