Boiler Defro Duo Uni 50 kW

Boiler Defro Duo Uni 50 kW

Available Options

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

Product specification

Power output 50 kW
Exhaust gas pipe diameter 194 mm
Weight 777 kg
Efficiency 90 %
Min. chimney diameter 230 mm
Size of heated surface 580 m²
Water capacity 172 L
Boiler heating surface 4.4 m²
thickness of steel 6 - 10 mm
Height 1715 mm
Width 1287 mm
Exhaust pipe distance measured from the floor to its base 1270 mm
Depth 1310 mm
Max. water temperature 80 °C
Max working pressure 1.5 bar
Loading compartment dimensions 404x398 mm
Size of the combustion chamber (width/depth/height) 404x750x223 mm
Required chimney draught 34 Pa
Minimum chimney section 20x20 cm²
Min. chimney height 10 m
Outlet and inlet size 1 1/2 inch
Min. incoming water temperature 65 °C
Power supply 230/50
Absorbed power 890 / 140 W
Warranty 60 months


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