Fröling SP Dual

Two systems perfectly combined - The new dual fuel boiler SP Dual


The SP Dual firewood and pellet boiler combines two well designed systems. It fulfills all the requirements for firewood and pellet fuels in two separate combustion chambers. Highly efficient and convenient, the SP Dual guarantees low wmissions an energy costs.


Pellet unit can be added any time

The S4 Furbo F with pellet flange is the ideal solution for people who are currently only burning firewood. It can easily be vonverted to a dual fuel boiler by fitting the pellet unit at any time.

Speed-regulated induced draught fan

  • Easy to operate
  • Adapts to all operating conditions
  • Full operating safety

High-temperature silicon carbide combustion chamber with new geometry

  • Very long combustion zone
  • Low emissions
  • Long lifespan

Automatic ignition and continued operation

  • No additional equipping required
  • Automatic change between firewood and pellets

Quick heating up (with manual ignition)

  • Load the boiler, light the fuel, close the door and that’s it
  • No smoke is produced in the boiler room
  • Automatic ignition device (optional)

Serial WOS system

  • High efficiency
  • Easy cleaning from outside
  • Low energy consumption

Lambdatronic S 3200 Touch control (optional)

  • Exact combustion control thanks to lambda control with broadband probe as standard
  • Large, clear, Control unit with adjestable viewing angle
  • Boiler nvigation from the living room

RBG 3200 Touch room console (optional)

  • Control the heating from your living room
  • Read values and status information
  • Intuitive and easy to use
  • 4,3" colour screen online control

  • Online operation and monitoring of the heating system
  • Available any time, any place
  •  Operates on all platforms
  • Individual access rights
  • Automatic status messages via SMS/email (e.g. empty ash box)
  • System requirements: see PDF

Modular design

  • Pellet unit can be added any time
  • Minimal space requirement
  • Easy positioning

Large fuel loading chamber for logs up to 56 cm in length with hot cladding

  • Easy loading
  • Long combustion time
  • Long reloading intervals

Flexible change between firewood and pellets

  • Two separate combusion chambers
  • Maximum ease of use

Special carbonisation gas extraction system

  • No smoke escapes during re-filling
  • The boiler room stays clean

Water-cooled pellet burner with automatic sliding grate

  • High Efficiency
  • Long lifespan
  • Automatic ash removal

RBG 3200 room console (optional)

  • Control the heating from your living room
  • Read values and status information
  • change settings conveniently via push of a button

NEU: Bis zu 10 Jahre Garantie inkl. Verschleißteile

  • Voraussetzung: X10+-Wartungsvertrag
  • 10 Jahre Garantie auf Arbeitszeit
  • 10 Jahre Garantie auf Material
  • jährlich eine umfangreiche Wartung gemäß Fröling-Checkliste