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oil burner 
Device for mixing a flammable substance (heating oil) with air, then blowing and igniting this mixture in a boiler’s fire pot.
nozzle
Tube through which the heating oil passes to be pulverized into tiny droplets; upon exiting, it mixes with air.
electrode assembly
The mixture of heating oil and air is lit by an electric spark arcing between two electrodes.
air tube
Cylindrical part covering the nozzle and the ignition electrodes; it joins the burner to the fire pot.
oil supply line
Tube injecting heating oil into the burner and toward the nozzle.
oil pump
Device compressing heating oil and directing it to the nozzle.
oil supply inlet
Tube carrying heating oil to the pump.
fan
Device blowing air out of the burner to mix with the heating oil mist.
electric motor
Device transforming electric energy into mechanical energy to drive another device.
heat control
Mechanism controlled by fluctuations in temperature; it can be set to automatically switch the burner on or off.
