Alpha
Incomplete Combustion / Sooting
Burner produces yellow, lazy flames or soot around the burner compartment.
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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
Insufficient combustion air, Blocked Alpha burner ports, Incorrect gas pressure, Blocked vent or flue
How to Fix / Troubleshooting
Safety: Turn OFF gas and power immediately. Sooting can indicate dangerous carbon monoxide production.
- Inspect burner: Remove and clean the Alpha burner assembly, clearing all ports.
- Check air openings: Ensure combustion air openings and louvers on the heater are not blocked by dust or storage items.
- Inspect vent: Verify the flue or vent is clear and properly installed.
- Professional combustion test: Have a qualified technician check gas pressure and combustion with proper instruments.
Do not operate the heater until combustion has been verified safe.
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Repair Difficulty
Professional Required
5/5
Required Part
Burner Assembly
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