GAMMA – Pellet boiler with a compact structure and an automatic exchanger cleaning unit. The wide power range of the 10-40 kW series means that this model can be successfully selected for any building.

|
Boiler output |
kW |
10 |
15 |
20 |
25 |
30 |
40 |
|
Fuel |
– |
wood pellet, 6 mm diameter |
|||||
|
ZUM list identification number |
– |
KB-800700 |
KB-600701 |
KB-400702 |
KB-200703 |
KB-000704 |
KB-700705 |
|
Output range |
kW |
2,9-10,1 |
4,5-15,3 |
5,9-19,8 |
7,1-25 |
8,9-30,1 |
11,6-38,8 |
|
Heating surface area |
m2 |
1,3 |
1,5 |
1,9 |
2,3 |
3,0 |
4,2 |
|
Heating area 1 |
m2 |
up to 125 |
up to 185 |
up to 250 |
up to 310 |
up to 375 |
up to 500 |
|
Single fuel load 2 |
kg |
~114 |
~146 |
~146 |
~146 |
~189 |
~228 |
|
Efficiency at nominal output |
% |
92,2 |
92,0 |
92,3 |
92,5 |
92,0 |
92,1 |
|
Efficiency at minimum output |
% |
91,9 |
91,2 |
91,6 |
92,1 |
91,6 |
91,3 |
|
Energy efficiency class |
A+ |
A+ |
A+ |
A+ |
A+ |
A+ |
|
|
Max. permissible operating pressure |
bar |
1,5 |
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|
Required flue draught |
Pa |
12 |
15 |
19 |
19 |
21 |
25 |
|
Flow water temperature min/max. |
°C |
65/80 |
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|
Boiler weight 3 |
kg |
~355 |
~375 |
~411 |
~448 |
~543 |
~645 |
|
Boiler water capacity |
l |
77 |
96 |
103 |
111 |
128 |
168 |
|
Chimney cross-section |
cmxcm |
14×14 |
14×14 |
16×16 |
16×16 |
18×18 |
20×20 |
|
Chimney cross-section |
Ø mm |
160 |
160 |
180 |
180 |
200 |
220 |
|
Minimum chimney height |
m |
5 |
5 |
5 |
6 |
6 |
7 |
|
Power supply |
V/Hz |
~230V/50Hz |
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|
Flow / return connection diameter |
inch |
1 ½ ’’ |
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|
Drain connection diameter |
inch |
½ ’’ |
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|
Flue outlet diameter |
mm |
159 |
159 |
178 |
178 |
178 |
178 |

APC K SLIM
CONTROLLER FUNCTIONS:
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If you want to install a new heat source, it is worth paying attention to DEFRO devices, a Polish manufacturer with many years of experience in the heating industry. Our specialists will help you choose the right boiler and its power, and distributors and installers will take care of the assembly and commissioning, and all you need to do is enjoy the warmth and comfort. The distribution network of our products is divided into regions for which managers and salespeople are responsible.