tilized from one pound of fuel, 125,100 dividedby 8,000 B. T. U. equals 16, which is the pounds ofcoal to be burned per hour, and burning 6 poundsof coal per square foot of grate would require aheater with 2% square feet of grate surface. Important When water heaters are subject to an…
Boilers · Steam boilers · Water-tube boilers
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