Thor Kitchen
Incorrect Gas Pressure or Partially Blocked Burner
Gas burner ignites but flame is very weak or uneven, especially on simmer.
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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
Clogged burner ports, Incorrect orifice size for gas type (NG vs LP), Regulator not set for correct gas, Low supply pressure from gas line
How to Fix / Troubleshooting
Safety first: Turn off the burner and allow it to cool. If you suspect a gas leak, shut off the gas supply and contact a professional.
- Clean burner: Remove the burner cap and head. Clean all ports thoroughly with warm soapy water and a soft brush. Dry completely before reinstalling.
- Check cap alignment: Ensure the cap is properly seated and not rocking.
- Verify conversion: If the range was converted from natural gas to LP (or vice versa), confirm the correct orifices are installed and the regulator cap is set to the proper gas type per Thor Kitchen instructions.
- Gas supply check: Make sure the shutoff valve is fully open and the flexible gas line is not kinked. If multiple appliances have low flames, have a gas technician check line pressure.
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Repair Difficulty
Medium
3/5
Required Part
Surface Burner Orifice
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