The use of JET A for Fuel Oil Furnance?

Aug 13, 2008 2 Replies

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I know this sounds wierd but I'm a helo Mech. and get fuel sample every day and have a 55 gal drum full about every year. Jet A is the same as disel fuel just filtered more. It would very cheap for me if this is possible. Hope someone can give me some feed back..Thanks


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Jet A has too low of a flash point... it would be like running gasoline in your furnace, however JP-5 will work just dandy when you correctly adjust your air mix. JP-5 has almost exactly the same characteristics as #2 diesel.

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page mentions some substitutes, for vehicles.

From what I could find, jet A flash point about 38C, where fuel oil is about

  1. It's possible that the fuel would work fine, but I would not want to risk it. It may very well burn too hot, or too cold for the usage. Diluted a bit (1 to 10) your furnace might not notice the difference.

The web page above said jet a would work well in Dodge diesel engines.

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