Loud whistling or roaring noise from the burner area when the Baxi water heater is firing.
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.
Possible Causes
How to Fix / Troubleshooting
Safety: Combustion issues can lead to carbon monoxide. Turn off the heater and ventilate the area if combustion seems abnormal.
User-level:
- Check flue terminal: Ensure it is not obstructed.
- Do not adjust gas: Do not attempt to adjust gas settings yourself.
Professional: A gas-safe technician must check burner condition, gas pressures, and combustion with a flue gas analyser.
Repair Difficulty
Required Part
We may earn a commission from links on this page.