Raypak
Combustion Noise / Improper Combustion
Boiler is excessively noisy with rumbling or roaring burner sound.
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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
Incorrect gas pressure or air-fuel ratio, Dirty burners or orifices, Blocked combustion air intake, Loose burner mounting
How to Fix / Troubleshooting
Safety: Turn OFF power and gas. Combustion adjustments must be done by trained personnel.
User checks:
- Inspect and clean the combustion air intake and ensure it is not blocked.
- Visually inspect burners for debris and clean as needed.
A technician should perform combustion analysis, adjust gas pressure, and verify burner alignment to eliminate rumbling or roaring.
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Repair Difficulty
Professional Required
5/5
Required Part
Burner Assembly
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