Quote:
Originally Posted by jamesqf
It'd still be burning fuel in order to keep the steam pressure up, no?
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Even Stanley Steamers from the 1920s in cold New England were able to keep up steam all night simply by running the pilot light, at about 600-900 btus/hr. That's roughly 150 to 225 hours on a gallon of kerosene. I'd guess the high tech boilers now would use much less than that.