Testing Oil Heater with Old Oil?

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Old 09-26-19, 09:37 AM
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Testing Oil Heater with Old Oil?

Hi, glad I found this board! We have an old house we are renting out and want to test the oil burner heater to see if it runs and if we can use it or have to replace it.

There is oil in the tank that's about 15 years old. Can we use that to test? Use an additive first? Will it kill it if we use the old oil?

Thanks for any advice! Robin
 
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09-26-19, 10:50 AM
roughneck77
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No, you’ll have to feed it fresh oil. 15 year old fuel will not work.
The unit will also have to be cleaned, checked and testing using a combustion analyzer.
Crawly things tend to build nests in equipment that hasn’t been used.
You’ll also need to change the oil filter, nozzle and pump strainer.
 
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Old 09-26-19, 10:09 AM
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Hi Robin,
If the oil is 15 years old then I suspect the furnace or boiler hasn't been run in a long time. If so, old burners are a bit fussy and do need their cleaning and adjustments, new oil filter, new nozzle, and inspection. That would also be the time to ask the service tech what you should do before he comes. he might want the old removed and tank filled.

Bud
 
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Old 09-26-19, 10:18 AM
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Thanks, Bud. Yes, before I remove and replace the oil, I want to see if it still works.
 
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Old 09-26-19, 10:28 AM
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I would still suggest talking to your service guy. If the old oil has turned to jelly you don't want the pump pulling that in.

As for, if the old furnace still works, how old is it and was it serviced regularly when last in use?

Rentals create a different reliability issue as, if the furnace stops they will not be happy. And if there is a delay they may want you to pay for a hotel. And as Murphy's law would say, it will always have trouble at the coldest times.

Best,
Bud
 
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Old 09-26-19, 10:50 AM
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No, you’ll have to feed it fresh oil. 15 year old fuel will not work.
The unit will also have to be cleaned, checked and testing using a combustion analyzer.
Crawly things tend to build nests in equipment that hasn’t been used.
You’ll also need to change the oil filter, nozzle and pump strainer.
 
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