Boiler Defro KDR 3 25 kW

Boiler Defro KDR 3 25 kW

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4502.00 PLN



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- 4 years for tightness of the boiler's exchanger,
- 2 years for other elements.

Product specification

Power output 25 kW
Exhaust gas pipe diameter 178 mm
Weight 364 kg
Efficiency 83 %
Min. chimney diameter 170 mm
Size of heated surface 250 m²
Water capacity 115 L
Boiler heating surface 2.4 m²
Inner metal sheet thickness 6 mm
Height 1350 mm
Width 647 mm
Exhaust pipe distance measured from the floor to its base 1014 mm
Depth 1080 mm
Max. water temperature 90 °C
Max working pressure 1.5 bar
Loading compartment dimensions 358 x 238 mm
Size of the combustion chamber (width/depth/height) 358 x 547 x 230 mm
Required chimney draught 28 Pa
Minimum chimney section 16 x 16 cm²
Min. chimney height 8 m
Outlet and inlet size 1 1/2 inch
Min. incoming water temperature 65 °C


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