How to Maintain an Oil Burning Furnace

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Oil burning furnaces require maintenance, more than gas or propane burning furnaces need. My own experience says you can go as long as 3 years without servicing it, but that is not prudent because sometimes the failure that results is severe (electrode insulator cracks, and you get the Bessemer Process on the electrode mount, which is to say, it melts). You are far better off cleaning them annually.

Cleaning and servicing them is no big deal, but it is messy since that soot is tarry and stinky. Turn off power to the system. Eradicate the oil burner assembly, which will also have the electrodes on it. How you remove this assembly is very dependent on the specific unit; follow the oil line out of the pump to where it goes into the furnace housing and that will give you a good clue. You can visit http://alcusfuel.com/ to know about oil burner service.

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Often (typically) you have to either remove or hinge back the high voltage transformer to get at this assembly. When you have the burner out, remove the nozzle and substitute it. Make sure you replace it with a nozzle with the same spray pattern, though you can vary the gallons per hour (GPH) rating to rate the furnace up or down in capacity.

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