Ideal
Poor Combustion / Incomplete Burning
Burner flame appears yellow, lazy, or produces soot; possible smell of exhaust
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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
Blocked burner ports, incorrect gas pressure, restricted flue, wrong gas type for Ideal furnace configuration
How to Fix / Troubleshooting
Safety: Poor combustion can produce dangerous levels of carbon monoxide. If you see yellow, sooty flames or smell exhaust, shut down the furnace and ventilate the area. Do not continue to operate the unit.
Steps:
- Turn off furnace: Switch off power and gas to the unit.
- Check flue terminal: From outside, ensure the flue outlet is not blocked by debris or ice.
- Do not adjust gas: Do not attempt to adjust gas valves or burner settings yourself.
- Call a qualified engineer: A professional must clean the burners, verify gas pressures, and confirm correct gas type and injector sizing for your Ideal furnace.
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Repair Difficulty
Professional Required
5/5
Required Part
Burner Assembly
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