IBC Abnormal Combustion / Venting Issue

Boiler emits a strong exhaust or burning smell near the unit or vent termination.

Advertisements

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.

Advertisements

Possible Causes

Blocked intake or exhaust, Incorrect gas/air ratio, Leaking flue connection, Soot buildup in burner or heat exchanger

How to Fix / Troubleshooting

Safety: If you smell combustion fumes indoors, turn off the boiler immediately and ventilate the area. Do not operate the boiler until inspected.

  • Inspect vent terminations: Ensure intake and exhaust are clear of obstructions and properly separated per IBC guidelines.
  • Check vent joints: Look for loose or disconnected vent pipes near the boiler. Re-seat and secure as needed.

Combustion adjustments and internal cleaning must be done by a licensed technician with combustion analysis equipment. Do not ignore persistent odors.

Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Exhaust Venting System
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements