Firebird elco Retrofit Burner

Fast & Easy to Install.
Dedicated Servicing Position.
Combustion Head.

Riello/Ecoflam to elco Conversion Table

Fuel TypeBurner ModelSales CodeBurner ModelNozzle SizePump Pressure
Kerosene OnlyRDB 2.2 C12 /18=BRN018RETFB2 18 K LN0.40x80sf Fludics9.3 bar/135 psi
RDB 2.2 C12/18 K DGT
RDB 2.2 C20/70K=BRN020RETFB2 20 K LN0.50x80es Danfoss9.8 bar/142psi
RDB 2.2 C20/70K DGT
RDB 2.2 C26 /90K=BRN026RETFB2 26 K LN0.65x80es Danfoss9.3 bar/135 psi
RDB 2.2 C26/90K DGT
G3B /90
G5X C (hp only) /90
Ecoflam Max 1 & 4
RDB 2.2 C35/120k=BRN035RETFB 2 35 K LN0.85x60es Danfoss8.6 bar/ 12.5psi
RDB 2.2 C35/120K DGT
Kerosene / Diesel
Setup for kerosene
RDB 2.2 C44/150 K=BRN044RETFB 2 44 K LN1.10.60es Danfoss10.3 bar/150psi
G5 T
G7 150K
RDB4.2 C58/200K=BRN058RETBRN058RET1.50x60s Danfoss7.8 bar/113psi
RDB4.2 C73/250K=BRN073RETFB 3 73 K LN2.00x60s Danfoss7.0 bar/101psi
RDB4.2 C100/310K=BRN100RETFB 3 100 K LN2.50x60s Danfoss9.50 bar/137psi
Diesel OnlyRDB2.2 R 70 D=BRN020RETDFB 4 R 20 LN0.50x80s Danfoss0.50x80s Danfoss
RDB 2.2R 90D=BRN026RETDFB 4 R 26 LN0.60x80H Danfoss0.60x80H Danfoss
RDB 2.2 120 D=BRN035RETDFB 4 R 35 LN0.75x60s Danfoss11.50 bar/167psi
RDB 2.2 150 D=BRN044RETDFB 4 R 44 LN0.85x60H Danfoss14.00 bar/203psi
  • Conversion chart only applies to burners fitted on Firebird boilers.
  • FB 4 burners are set up for Diesel fuel.
  • FB 2 burners are factory set for Kerosene and can easily be converted to Diesel (44-100kW only).
  • FB 3 burners are set up for Kerosene and can be easily converted to Diesel.

This table has been prepared to provide technical guidance for the benefit and safety of the owners of Firebird boilers choosing to fit an Elco burner in place of a Reillo or Ecoflam burner.

Burner Dimensions
Burner Electrical Connections

Please note that Elco burners sold for replacement will have a 7 pin plug supplied on the control box for the installer to wire to the burner.