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1) Adjust inlet gas pressure as shown
on rating plate.
2) Clean pilot orifice.
3) Replace thermocouple.
1) Adjust manifold pressure as shown
on rating plate.
2) Clean burners free of debris or in-
sects.
3) Clean gas line or increase gas line
piping.
1) Refer to installation instructions
regarding combustion air
requirements.
2) Refer to installations instructions.
3) See yellow flame section above.
3)Pilot Outage.
(Standing pilot models)
4)Yellow lazy flame.
5)Sooting
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1) Too low or too high gas pressures.
2) Restricted pilot.
3) Weak thermocouple.
1) Too low gas pressure.
2) Restricted burner intake ports.
3) Restricted gas line.
1) Insufficient combustion air.
2) Improper venting.
3) Severe yellow burner flames.