Manual fired boiler for coal DEFRO Optima Komfort Eko 19

Kocioł zasypowy na węgiel DEFRO Optima Komfort Eko 19
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Product code: 84780
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Price: $2,281.43

Regular price: $2,741.14

2281.43
The lowest price during 30 days prior to the reduction: $2,281.43

The promotion runs until 24 July 2026

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Description

Boiler DEFRO Optima Komfort Eko is a hopper-fed boiler for hard coal. It has a body made of certified boiler steel sheet. Cooperation with an accumulation tank is required.

Primary air is supplied gravitationally from outside through a tilting flap located in the furnace-ash pan doors, controlled by means of a draft gauge.

The boiler is adapted for installation in a closed system provided that safety devices are installed in accordance with the boiler's DTR and has the possibility of adjusting the secondary air supply.

Boilers meet the energy and emissions requirements of class 5 and have an Ecodesign Certificate.

The manufacturer recommends installing the boiler in combination with an accumulation tank and by raising the temperature of the water returning to the boiler: in the form of a mixing valve or Laddomat. The minimum return temperature should be 55°C.

Advantages:

  • High thermal efficiency in the range of 90.0 to 90.9% thanks to increased heat recovery from exhaust gases;
  • Boiler adapted as standard for installation in a closed system provided that safety devices are installed in accordance with the boiler's DTR;
  • Heat exchanger made of certified high-grade steel;
  • Ability to change the opening direction of the doors (applies to upper and middle doors);
  • Adjustment of secondary air supply;
  • Large hopper chamber;
  • Adapted for installation of a thermostatic draft gauge;
  • Mechanical regulation of the combustion process using a knob in the ash pan doors;
  • Boiler adapted for installation in a closed system provided that safety devices are installed in accordance with the boiler's DTR;
  • 3 years warranty on the tightness of the heat exchanger, 2 years on other components and proper operation of the boiler - provided that installation is in accordance with the boiler's DTR;
Specification/boiler type Unit Optima Komfort Eko 9 Optima Komfort Eko 12 Optima Komfort Eko 14 Optima Komfort Eko 17 Optima Komfort Eko 19
Fuel [-] hard coal - nuts with grain size 20-50mm
Hopper chamber capacity [kg] 14 19 20 23 25
Efficiency at nominal power [%] 90.0 91.0 90.8 90.1 90.4
Energy efficiency class [-] B
Max. allowable working pressure [bar] 1.5
Required exhaust gas draft [mbar] 0.22 0.16 0.26 0.22 0.26
Max. water temperature on supply [°C] 65/90
Boiler weight [kg] 262 275 300 300 355
Boiler water capacity [l] 58 63 76 68 83
Diameter of supply and return [inch] G 1½”
Diameter of exhaust gas outlet elbow [mm] Ø 159
Min. safe capacity of accumulation tank [l] 450 600 750 900 1000

Dimensions:

Solid fuel boiler DEFRO

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