Boilers with feeder biomass

Bio Slim

Zobacz produkt w 360°

End of problems with the selection of boiler pellet into a small boiler room.

  • Fuel tank placed directly over the heat exchanger minimizes the size of the boiler
  • Sleek and powerful burner pellet made from the finest materials with automatic cleaning
  • Horizontal tubular heat exchanger
  • Easy operation and maintenance, access to czyszczenai heating surface by a large front door of the boiler
  • Save space in the boiler room, the boiler requires only 1m2
  • Economizers in passageways combustion increasing precipitation of dust from the flue gases and raising the degree of heat exchange
  • Low operating costs
  • Exhaust fan eliminates the problem of improper chimney draft and stabilizing the operation of the boiler
gwarancja_5_lat.jpg 5 years warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler;
stal.jpg Heat exchanger made of certified high-grade steel;
sprawnosc bio slim HHigh thermal efficiency in the range from 90,2 to 93,9% due to increased heat recovery from flue gases;
sterownik_APC_3 APC 3 ADAPTIVE CONTROL 3 servicing six pumps /central heating, domestic hot water, circulating, floor/. Control of two mixing valves; preview and change of parameters of the main controller ONLINE through built-in internet module with RJ-45 connector;
NZ Reinforced design. Boiler adapted for installation in closed system if the protections are assembled in accordance with the operation and maintenance manual of the boiler;

Central pellet burner with automatic cleaning function as a standard;

adaptive_control ADAPTIVE CONTROL control - adjustment of boiler operation based on air flow through the heat exchanger;
ceramika Ceramic catalysts stabilising combustion process;
automatyczny_zaplon Fuel self-ignition system;
Exhaust fan eliminating problem with chimney draught and stabilising operation of the boiler;
czujnik_rezerwy_paliwa Fuel reserve sensor in container stops boiler operation at minimum fuel level. After fuel recharging it is not necessary to repeat firing procedure and the boiler switches to automatic operation;
kompaktowe_wymiary.jpg Compact dimensions;

technical data of the boiler / PRODUCT GROUP D

Specification / boiler type

unit 10 15 20 25 30


- wood pellet with diameter 6 mm

Power range

kW 3,1-10,5 4,4-15,5 5,9-20,4 7,3-25,2 8,9-31,5

Heating area


1,5 2,1 2,5 2,7 3,3

Area of heated rooms 1


to 160 to 220 to 270 to 355 to 425

Capacity of fuel container 2

kg ~102 ~122 ~126 ~126 ~147
Nominal thermal efficiency % 93,6 93,6 92,5 92,1 92,9
Minimum thermal efficiency % 92,3 93,0 93,0 92,5 92,9

Energy efficiency class

- A+ A+ A+ A+ A+

Max. permissible work pressure

bar 1,5 opened sytem; 3,0 closed system

Required flue gas draught

mbar 0,19 0,22 0,26 0,27 0,29
Water temperature on supply max. °C 65/80

Boiler weight 3

kg 288 336 380 368 402

Boiler water tank capacity

l 48 69 109 97 110

Chimney section

cmxcm 14x14 14x14 14x14 16x16 18x18

Chimney section

Ø mm

160 160 160 180 200

Minimum chimney height







Supply and return socket diameter


GZ 1 ¼” GW 1 ¼’’

Diameter of the exhaust gas socket

mm 130 130 130 130 130





1 Maximum area of heated rooms estimated for unit heat demand q=70 W/m2.

2 Fuel tank capacity for pellet bulk density 0,65 kg/dm3.

3 Boiler weight depends on its additional equipment.


Height of boiler can be additionally adjusted by means of provided levelling legs.

The regulation of legs varies from 38 to 50 mm.


Additional equipment components shall be added during ordering of the boiler because there is no possibility of installation in the future.

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