Burnham FCM120 Water Heater User Manual


 
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d. Remove the ignition electrode and inspect it for oxides. Clean the oxides off the electrode with sandpaper. Inspect
the ceramic insulator for cracks and replace the ignitor assembly if necessary.
e. Remove the fan/gas valve assembly from the burner hood. Inspect for lint and dust. If signi cant lint and dust are
found, disassemble the fan/gas valve assembly to expose the swirlplate and fan inlet (see the exploded diagram in
the parts list at the back of this manual). Vacuum these parts as required, being careful not to damage the vanes on
the swirlplate.
f. Remove the burner hood to access the burner and the combustion chamber.
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