Pellet heating boiler DRACO DUO BIO 35 kW

The constructive solutions applied in the manufacturing of the boilers DRACO DUO BIO, provide for a high safety of boiler operations, convenient exploitation and comfort owing to the operation in the automatic mode of the burner FIREBLAST. The construction of the boiler allows to heat with pellets in the automatic mode, in the traditional mode with coal and wood. The upper combustion chamber (the traditional mode) is provided for the heating with solid fuel in emergency situations, it is not stipulated for exploitation throughout the entire heating season. The heat exchanger of the boiler is manufactured of 8 mm thick certified boiler steel. The boilers DRACO DUO BIO are characterized by ecological and high efficiency combustion of fuel, achieving even 90%. With a wide range of boiler capacities it is possible to heat a detached house, small recreation premises, etc.


 

 

Automatic mode:

 





Traditional mode:

 

 

 

 

 

Advantages of the boilers:

  • Automatic feeding of fuel
  • Possibility to heat with wood or coal in the traditional mode in emergencies (ran out of pellets)
  • Heat exchanger is made of 3 – 8 mm thick boiler steel
  • 5-year warranty for the boiler heat exchanger
  • High efficiency: up to 90%
  • Safety sensors
  • Boiling of hot water in summer
  • Automatic lighting on and off system of the burner Fireblast
  • Temperature regulation by a servomotor and a four-way valve
  • Possibility to connect a room thermostat through wires or in a remote system
  • Simple and fast maintenance
  • Low level of harmful emission in the burning process, in compliance with the European standards

Technical specification:

Capacity range: 10,5 - 35 kW

Weight: 550 kg

Volume of water in the boiler: 115 dm3

Diameter of the chimney: 145 mm

Heating surface: 3,7 m2

Efficiency coefficient: 90 %

Maximal operational pressure: 1,5 bar

Chimney draft: 15 - 20 Pa

Dimensions (width x depth x height): 1730 x 870 x 1545 mm