• 87% AFUE Efficiency
  • European GG20 cast iron material
  • 3 to 9 sections models
  • Outputs: 80,000 btu/h – 300,000 btu/h

  • Direct Vent – Granby Direct Vent System (DVS)-through the wall balanced flue venting models of 3, 4 and 5 sections only (available only with Riello 40 Series BF oil-fired burners)
  • Low water cut-off option available with Hydrolevel temperature control
  • Outdoor reset option available with Hydrolevel temperature control

(See Installation, Operation and Maintenance Manual for complete instructions)