Black smokes from gas burner is mostly due to incomplete combustion from rusty gas burner, blocked or clogged air filters, malfunctioning gas regulator, or faulty thermostat.
- Causes: cracked, blocked or clogged, a damaged gas burner.
- Remedies: clean or replace gas burner.
Other possible causes of exhaust smoke from gas burner:
- High increase flame or temperature
- Faulty thermostat
- Malfunctioning gas regulator
- Dirt or debris
Precautions And Maintenance Tips For Gas Burners
- Regular cleaning of gas burner after each usage
- Check coolant levels and perform regular appliance maintenance
- Use the correct LPG gas suitable for the appliance being used.
- Check for damage or clogging.
I service my burner by scratching the rust on the burner surface with a Sandpaper and remove the rusts by loosing the burner from the valve and rinse it and wipe with a soft cloth.i also cleanse the valve hole where gas is passing through.
Pic to be uploaded in a minutes.
Follow this steps you will not buy a new burner in 4 years.