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


Locate an EFM Dealer in your state
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 at 570-385-1892 and set up a date.