mudman wrote:i have a USSC hotblast 1557 furnace and absolutly love it. i bought a couple ton of antracite and right now burning my 3 ton pile of free antracite . reading the manual on this unit it says it burns bit coal. i came across a ton of free bit coal and thinking about getting it. does anyone have this furnace and burn bit? what are your experience with it? any input, good or bad would be great. keep warm ya all!