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EFM Automatic Heat. Your Indoor Comfort Specialists


Coal Stoker Boiler DF520

efm Coal Stoker Boiler DF520

 Coal Stoker Boiler DF250


  • 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)


The following companies specialize in Anthracite Rice Coal: Blaschak Coal and Direnzo Coal

Homeowners who would like to see our products should schedule an appointment with your local EFM dealer. You can also call us at 570-385-1892.

Dealers can schedule training on installation and maintenance at EFM in Schuylkill Haven, PA at your convenience. Just call us and set up a date.