| Parameter | Units of measurement | Plus | Standart |
| Nominal power | kW | 22,5 | 19,5 |
| Heating of ambient air | kW | 3 | 1 |
| Fuel | - | wood pellets |
| Efficiency (nominal), not less than | % | 91 |
| Hopper capacity | dm³ | 41 |
| Water capacity of the boiler | l | 39 |
| Boiler weight without water | kg | 221 | 220 |
| Flue gas temperature at the boiler outlet | °C | 100-180 |
| Recommended minimum water temperature | °C | 58 |
| Maximum water temperature | °C | 90 |
| Nominal working pressure of water | MPa | 0,15 |
| Maximum working pressure of water, not exceeding | MPa | 0,20 |
| Hydraulic test pressure of water, not less than | MPa | 0,40 |
| Electricity consumption (min-max) | W | 160-460 | 160-410 |
| Diameter of forward and return network water pipes (DU) | mm | 20 |
| Diameter of the pipe under the safety valve (DU) | mm | 15 |
| External diameter of the smoke extractor connection | mm | 98 |
| External diameter of the burner air duct connection | mm | 60 |
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