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Old 11-02-2011, 05:40 PM   #1
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boiler goes thru its normal start up but wont fire


can anyone help me out with this boiler goes thru its normal start up but doesnt fire. have plenty of oil i opened the inspection cover and there is oil in the fire box but doesnt fire?

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Old 11-02-2011, 07:21 PM   #2
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boiler goes thru its normal start up but wont fire


Oil in the combustion chamber that hasn't been burned, will make for lots of smoke in the house, to say the least.

Could be the nozzle is spraying a bad pattern, or that the ignition transformer is bad. or the electrodes out of adjustment, or carboned up.

Might want a fire extinguisher beside you when you try to run it again. Oil can go boom.

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Old 11-02-2011, 08:44 PM   #3
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boiler goes thru its normal start up but wont fire


yes oil will go boom..be very careful with fuel in the chamber if small spark happens boom in chamber as beenthere said and i agree ignition transformer may not be working common problem. some oil burnners have fuse link ?? some carbon up again common problem ...how old is furnace and what make???
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Old 11-03-2011, 07:58 AM   #4
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boiler goes thru its normal start up but wont fire


Open up chamber and light a piece of paper and burn the unburnt oil laying in there before troubleshooting. Only press red reset button once if it don't fire call for service do not keep pushing the reset I know from experience I'm still cleaning soot and smoke out of my eyes,nose, ears, mouth 40 years later. You need to check the oil pressure and spark.
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