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Old 08-12-2016, 06:42 AM   #3
SST3193
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Join Date: Oct 2009
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Default Re: 55 gal drum of used oil?

Some of the full synthetic motor oils will kill a waste oil furnace because, they are built to take the extra heat. I gave a drum of 0w10, from a pro operation, to a neighbor and it clogged up the preheater, of his waste oil furnace. He wasn't amused but, it didn't occur to either of us, that it may not burn.
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