Boiler Defro Komfort Eko Duo PZ 20 kW
Product specification
| Power output | 20 kW |
| Exhaust gas pipe diameter | 178 mm |
| Weight | 451 kg |
| Efficiency | 88 % |
| Min. chimney diameter | 165 mm |
| Size of heated surface | 260 m² |
| Water capacity | 72 L |
| Boiler heating surface | 2.4 m² |
| Inner metal sheet thickness | 6 mm |
| Height | 1496 mm |
| Width | 1145 mm |
| Exhaust pipe distance measured from the floor to its base | 1120 mm |
| Depth | 930 mm |
| Max. water temperature | 80 °C |
| Max working pressure | 1.5 bar |
| Loading compartment dimensions | 308x188 mm |
| Size of the combustion chamber (width/depth/height) | 308x445x200 mm |
| Required chimney draught | 26 Pa |
| Minimum chimney section | 15x15 cm² |
| Min. chimney height | 8 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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