Boiler Defro Duo 20 kW
Warranty:
- 5 years for tightness of the boiler's exchanger,
- 2 years for other elements.
Product specification
| Power output | 20 kW |
| Exhaust gas pipe diameter | 159 mm |
| Weight | 504 kg |
| Efficiency | 90 % |
| Min. chimney diameter | 160 mm |
| Size of heated surface | 260 m² |
| Water capacity | 106 L |
| Boiler heating surface | 2.4 m² |
| thickness of steel | 6 - 10 mm |
| Height | 1664 mm |
| Width | 1080 mm |
| Exhaust pipe distance measured from the floor to its base | 1258 mm |
| Depth | 1060 mm |
| Max. water temperature | 80 °C |
| Max working pressure | 1.5 bar |
| Loading compartment dimensions | 308x398 mm |
| Size of the combustion chamber (width/depth/height) | 308x529x191 mm |
| Required chimney draught | 26 Pa |
| Minimum chimney section | 14x14 cm² |
| Min. chimney height | 7,5 m |
| Outlet and inlet size | 1 1/2 inch |
| Min. incoming water temperature | 65 °C |
| Power supply | 230/50 |
| Warranty | 60 months |
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