burner pressure

An oil burner is a heating device which burns #1, #2 and #6 heating oils, diesel fuel or other similar fuels. In the United States ultra low #2 diesel is the common fuel used. It is dyed red to show that it is road-tax exempt. In most markets of the United States heating oil is the same specification of fuel as on-road un-dyed diesel.
An oil burner is a part attached to an oil furnace, water heater, or boiler. It provides the ignition of heating oil/biodiesel fuel used to heat either air or water via a heat exchanger. The fuel is atomized into a fine spray usually by forcing it under pressure through a nozzle which gives the resulting flame a specific flow rate, angle of spray and pattern (variations of a cone shape). This spray is usually ignited by an electric spark with the air being forced through around it at the end of a blast tube, by a fan driven by the oil burner motor. The fuel pump is typically driven via a coupling connecting its shaft to that of the motor's. Oil burners also include combustion-proving devices to prevent out-of-control combustion - Primary Control; Safety Control; Cad Cell Control; Master Control; Fire-Eye Control are all common names for the 'combustion safety control'.
In the United States residential home heating oil market the "vaporizing gun burner" is the most common mechanical device used to heat a home or small commercial forced air space with. Depending on the manufacturer these simple burners will see a lifespan if regularly maintained for decades. Currently, old installations from the 1950s and 1960s are still in operation today if they received regular maintenance.
The maintenance involved in a gun burner usually is a replacement of the nozzle used to atomize the fuel, replacing the filter located at the air handler, replacing the fuel filter on the heating oil system from the tank, cleaning out any soot or deposits in the heat exchanger of the furnace, and ensuring the system is in good working order, and also involves checking and adjusting the fuel-air mixture for efficiency with a combustion analyzer.
If a heating oil burner runs out of oil it often must be primed to be restarted. Priming involves purging any air from the fuel lines so that a steady flow of oil can find its way to the burner.
If an oil burner wears out it can usually be upgraded and replaced with a more efficient modern burner. If the heat exchanger wears out that requires a new furnace. Oil furnaces will last nearly forever if maintained regularly ensuring the heat exchanger is vacuumed out and cleaned. Oil burners deposit soot in the heat exchanger which is an un-even insulator. The heat distribution in the heat exchanger is un-even, causing wear on this critical steel part causing an eventual cracking. Annual or every other year tune-ups guarantee this wear is far reduced. Oil furnace lifespans of fifty to seventy-five years with regular service are not uncommon compared to an average wear out of natural gas furnaces every twenty years.

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