GE
Overheating / Thermostat Out of Calibration
Water from GE water heater is too hot, scalding at faucets.
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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
Thermostat set too high, thermostat stuck closed, ECO not tripping properly, mixing valve misadjusted or failed
How to Fix / Troubleshooting
Safety: Risk of scalding. Turn down temperature settings and warn occupants.
Steps to correct overheating:
- Adjust thermostats: Remove access panels and set both upper and lower thermostats to 120°F (or manufacturer-recommended setting).
- Test thermostats: After water reaches temperature, verify that power to elements cycles off. Replace any thermostat that remains closed.
- Check mixing valve: If a thermostatic mixing valve is installed on the outlet, adjust it per instructions or replace if it does not regulate temperature.
- Monitor temperature: Use a thermometer at a faucet to confirm outlet temperature is within safe range (120–125°F).
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Repair Difficulty
Medium
3/5
Required Part
Upper and Lower Thermostats
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