DF 520 Boiler by EFM Stoves sold by Wilson Coal in Sparta NJ
  • Clean and dust free operation.
  • “Coal heat in winter, Oil heat (for hot water) in summer” with exclusive oil burner kit option.
  • “Trombone” style copper hot water coil.
  • ASME designed and certified pressure vessel.
  • Extended coil flanges and connections avoid hidden leaks.
  • Stoker is ratchet and enclosed gear driven.
  • Control and feed are fully automated.
  • Firing rates from 2 ½ to 25 pounds of coal/hour. (21,470 to 214,690 BTUH)
  • Optional oil kit fires at 1.5 gph (157,000 BTUH)

EFM Model AF Furnace sold by Wilson Coal in Sussex County NJ
  • Coal Furnace-extra heavy, welded construction, no collection of fly ash on vertical surfaces
  • Beautiful azure blue durable powder coat jacket thoroughly insulated against heat loss. Right or left hand coal conveyor. Conveyor worms of stainless steel-resists corrosion.
  • Heat resistant burner-Burns inexpensive rice anthracite
  • Air and Coal carburetion can be readily adjusted.
  • Ratchet drive- No belts, gears or pulleys to change . Machined alignments-Quiet operation .
  • Fines clean-out provides unobstructed supply of combustion
  • Cost of maintenance – about half that of other makes.
  • Installation by factory trained dealers

Wood & Coal Boiler by EFM Stoves sold by Wilson Coal in Sparta NJ
  • Automatically controlled combustion
  • Airtight, Double-pass flue gas Passage
  • Firebrick Lined Combustion Chamber
  • Cast Iron Grates
  • 1/4″ and 5/16″ thick Steel Plate on Boiler
  • Flu size 8″
  • 100% Steel Cabinet
  • Powder Coated Jacket
  • Easily Removed Ash Container
  • Factory Set Limit Switch Eliminates Overheating
  • ASME Coded Boiler
  • Made in USA