Immergas
Gas Flow / Burner Resonance Noise
Water heater emits a high‑pitched whistling or howling noise during operation.
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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
Partially blocked burner injectors, Incorrect gas pressure, Loose flue components causing resonance, Fan speed anomalies
How to Fix / Troubleshooting
Safety: Turn off power and gas before opening the combustion chamber.
- Inspect burner and injectors: Have a technician remove and clean the burner and check injectors for partial blockage.
- Check flue joints: Ensure all flue sections are properly locked and sealed to prevent vibration and resonance.
- Gas pressure check: A licensed gas technician should verify inlet and burner pressures and adjust if necessary.
Note: Whistling often indicates gas/air imbalance; professional combustion analysis is recommended.
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Repair Difficulty
Professional Required
5/5
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