Defro Optima Comfort 20 22 kW
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| Weight: | 34.6 kg |
| Description: | Type of heating boiler: gas, max. thermal power: 23 kW, number of circuits: double-circuit, placement: wall-mounted, fuel: natural gas, type of combustion chamber: closed, type of power supply: single-phase, control: electric |
| Peculiarities: | Thermometer |
| Control: | Mechanical |
| Dimensions WxHxD: | 668x1293x972 mm |
| Installation: | Floor |
| Efficiency: | 80.5 % |
| Fuel: | Firewood, coal |
| Chimney diameter: | 178 mm |
| Thermal power: | 7 - 22 kW |
| Heated area: | 200 sq.m |
| The combustion chamber: | Open |
| Max. water pressure in the heating circuit: | 1.5 bar |
| Heat carrier temperature: | 55 - 90 °С |
| Heating circuit connection: | 1¼ |
| Number of circuits: | Single-loop |
| Primary heat exchanger material: | Steel |
| Type of heating boiler: | Solid fuel, classic |
| Non-volatile: | Yes |
| Recommended fuel: | Coal |