Boilers with feeder for coal

Komfort Eko Duo Uni R

Komfort Eko Duo UNI R – is a boiler with fuel feeder, UNI burner and automatic ignition function. These boilers are equipped with a heater installed in trough burner, which is used to ignite fuel during the starting stage of the boiler (automatic ignition of fuel). Automatic ignition of the fuel and fire maintenance system after reaching of the required temperature causes that boiler can operate even at low demand for thermal power. Boilers are available in 15, 20,25,30 and 35 kW powers.

5 lat gwarancji na szczelność wymiennika ciepła, 2 lata na pozostałe elementy i sprawne działanie kotła;   5 years of warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler;
wymiennik ciepła wykonany z atestowanej stali kotłowej /gat. P265GH/ o grubości 6-10mm z hut Arcelor Mittal Poland S.A. heat exchanger made of certified boiler steel /grade P265GH/ with 6 mm thickness from steel mills of Arcelor Mittal Poland S.A. division Cracow and U.S. Steel Kosice s.r.o.;
k1p.png  controller K1P with colour touch panel servicing 4 pumps /central heating, hot utility water, circulation, floor pump/. Servicing of mixing valve. Possibility to control using GSM or INTERNET****; adjustable angle of position of control panel, PID control;
wysoka sprawność cieplna sięgająca 88% dzięki zwiększonemu odzyskowi ciepła ze spalin;  high thermal efficiency reaching 88% thanks to increased heat recovery from flue gases;
dwie komory spalania: dolna z palnikiem automatycznym, górna do spalania drewna /przy załadunku ręcznym/; two combustion chambers: bottom with automatic burner, upper for wood combustion /for manual charging/;
dolna komora paleniskowa z wysokoefektywnym paleniskiem rynnowym;  bottom furnace chamber with highly effective trough furnace;
system automatycznego, wodnego gaszenia paliwa z zaworem termostatycznym;  automatic water extinguishing system with thermostatic valve;
samoczynny-zaplon.png fuel self-ignition system

(*) - extra payable equipment, installed on Customer’s request

DEFRO company reserves the right to introduce without any notice changes in technical parameters, equipment and specification of offered products. Information included on this page are not assurance within the meaning of art. 4 par 3 and 4 of the Act of 27 July 2002 on special conditions of consumer sales and change of Civil Code (hereinafter “Act”) and are not description of the product within the meaning of art. 4 par. 2 of the Act. This page is not an offer within the meaning of the art. 66 of the Civil Code.

Specification / boiler type Unit 15 20 25 30 35
Power range kW 4,5-15 6,0-20 7,5-25 9,0-30 10,5-35
Heating area m2
2,2 2,5
2,9
3,2
3,5
Area of heated rooms*
m2
to 200
to 260
to 300
to 340
to 380
Capacity of fuel container**
kg
~156
~156 ~156 ~191 ~228
Optimum thermal efficiency %
~86,7-88,7
Max. permissible operation
pressure
bar 1,5
Required flue gas draught Pa
24
26
28
30

31

Water supply temperature
max.
°C
65/80
Boiler weight *****
kg
428
453
468
548
609
Boiler water tank capacity l
68
74
81
89
104
Chimney section cmxcm
14x14
15x15
15x15
16x16
17x17
Chimney section Ø mm
160
170
170 180
195
Minimum chimney height m
7
8
8
9
9
Width mm
1168
1168
1218
1303
1303
Depth mm
810
880 880
950
 940
Height ***
mm
1496
1496
1496
1516
1572
Diameter of supply and return Dn mm  G1 ½”
Flue size mm
159
178
178
194
194
Supply mm
~230/50
Maximum power consumption W
873/123
873/123 873/123 890/140 890/140
Height to bottom edge
of flue
mm
1129
1120
1120
1144
1194
Dimensions of substitute combustion
chamber and charging hole
width 308 308 358
458
458
  depth 375
443
443
443
514
  height 320
327
330
307
365
  width x height
308 x 286 308 x 286
358 x 286
458 x 286
458 x 286

* Maximum area of heated rooms estimated for unit heat demand q=80 W/m2.
** Height of boiler can be additionally adjusted by means of provided levelling legs. Legs regulation varies from 38 to 50 mm.
*** Fuel tank capacity for charging density 0.8 kg/dm3
****

***** Boiler weight depends on the equipment.


DEFRO company reserves the right to introduce without any notice changes in technical parameters, equipment and specification of offered products. Information included on this page are not assurance within the meaning of art. 4 par 3 and 4 of the Act of 27 July 2002 on special conditions of consumer sales and change of Civil Code (hereinafter “Act”) and are not description of the product within the meaning of art. 4 par. 2 of the Act. This page is not an offer within the meaning of the art. 66 of the Civil Code.

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