Quote:
Originally Posted by Audiofn
My brother used to just run his used oil in his regular heater. I was always amazed at how much crap he could run through the heater and it would keep on trucking.
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i no longer heat with oil, but when i did i had an old (circa 1957) boiler and i would just pour old motor oil into the tank. I strained it first through cheese cloth and dumped it in. A gallon of used motor oil (typical of an oil change) represents a fraction of a percent of the capacity of a 275 gallon heating oil tank. I always added when the tank was at least 1/2 full so i was still burning a mixture that was 99%+ heating oil. I never had a problem and the burner tech never mentioned or asked if I was burning anything unusual.