| Technical specifications boiler B class | |||||||
| Nominal power of the boiler | kW | 15 | 20 | 24 | 28 | 33 | |
| Estimated heating area | m² | 150 | 200 | 240 | 280 | 330 | |
| Furnace parameters | depth | mm | 400 | 450 | 500 | 500 | 550 |
| volume | dm³ | 78 | 86 | 104 | 118 | 131 | |
| Water capacity of the boiler, not less than | l | 56 | 60 | 67 | 72 | 79 | |
| Boiler weight without water | kg | 189 | 202 | 211 | 221 | 261 | |
| Maximum water temperature | °C | 90 | |||||
| Maximum working water pressure, not exceeding | MPa | 0,20 | |||||
| Dimensions of loading doors | height | mm | 217 | ||||
| width | mm | 287 | |||||
| Piping connections | thread | 2 | |||||
| External diameter of chimney connection | mm | 178 | |||||
| Chimney height (minimum permissible) | m | 5 | 7 | ||||
| Boiler dimensions | |||||||
| Height | mm | 1210 | 1210 | 1240 | 1310 | 1350 | |
| Width | mm | 555 | |||||
| Depth | mm | 980 | 1035 | 1085 | 1085 | 1135 | |