Mixed fuels for oil furnace?


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Old 12-12-13, 08:27 PM
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Question Mixed fuels for oil furnace?

I would like to know if their is anything wrong with burning say dyed low sulfur diesel mixed with waste oil. I would be using this in my home lennox oil furnace.
I use all sorts of mixed waste oil in my works shop oil furnace as they have done it for years.The fuels I would burn are a mixture of waste oil 15/40,waste hydraulic oil 46,and diesel low sulfur with non-gelling additive. Would any of these become harmful to me my family or the life expectancy of my old oil furnace? Thanks hope to hear a reply soon.
 
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Old 12-12-13, 08:32 PM
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Anything other than diesel, heating oil, or kerosene should not be used in a furnace made for residential use. Who knows what the btu value of the mix is. Anything over 140,000 btu/gallon can damage the furnace.
 
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Old 12-12-13, 08:43 PM
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So further research on those fluids btu levels would be needed. And as long as doesn't exceed 140k/gal. It would be fine.
 
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Old 12-12-13, 08:46 PM
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I'm not saying it would be fine, not at all. There are a whole lot of other factors to consider besides btu content. I do not recommend using anyting other than the fuel(s) for which the furnace is approved.
 
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Old 12-12-13, 08:52 PM
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Are there furnaces that are designed for such mixtures of fuel do you know?
 
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Old 12-12-13, 09:20 PM
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There are waste oil furnaces but none that I know of for residential use.
 
 

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