Manual fired boiler for coal Defro Optima DS 19 kW - 2018
Product specification
| Power output | 19 kW |
| Exhaust gas pipe diameter | 178 mm |
| Weight | 470 kg |
| Efficiency | 90 % |
| Min. chimney diameter | 180 mm |
| Boiler class (303-5:2012) | 5 |
| Ecodesign | tak |
| Size of heated surface | 240 m² |
| Water capacity | 98 L |
| thickness of steel | 6 mm |
| Height | 1365 mm |
| Width | 685 mm |
| Exhaust pipe distance measured from the floor to its base | 991 mm |
| Depth | 1325 mm |
| Max. water temperature | 90 °C |
| Max working pressure | 1.5 bar |
| Required chimney draught | 26 Pa |
| Min. chimney height | 5 m |
| Outlet and inlet size | 6/4” inch |
| Warranty | 36 months |
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