OT: Kerosene and torpedo heaters

by Mark, Tuesday, November 04, 2014, 12:12 (3613 days ago)

Off topic thread here but I could use the help of the members.
I just paid $5 a gallon for kerosene. Furthermore, I don't bet the quality is too high. I don't need to use it every day but I go through about 20 gallons a year in my torpedo heater. I heat my garage when I work on my car or cast bullets. My torpedo heater does not say what grade of kerosene I can use (it is about 20 years old). Can I use Ultra Low Sulfer (15ppm) diesel fuel safely in my heater?
What is the difference between diesel fuel and kerosene (or K1 as some call it)?
Thanks,
Mark