Whirlpool
Hydrogen Sulfide Odor Reaction
Water has rotten egg or sulfur smell, especially hot water
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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
Magnesium anode rod reacting with sulfur bacteria, stagnant water, high sulfate content
How to Fix / Troubleshooting
Safety first: Turn OFF power or gas before any tank work.
Mitigation:
- Flush the tank thoroughly to remove stagnant water.
- Disinfect the system by filling the tank with a chlorine solution per Whirlpool or plumbing guidelines, then flushing completely.
- Replace the magnesium anode rod with an aluminum/zinc anode or powered anode designed to reduce odor.
Note: Odor issues may also involve the home's plumbing; treat both heater and piping if needed.
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Repair Difficulty
Medium
3/5
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