| Water shirt volume, L | 1 150 |
| Fuel type | firewood, briquettes, coal |
| Complete set | controller, air fans (primary and secondary), prep. valve, manometer |
| Heat exchanger area, m2 | 38,12 |
| Upper combustion chamber size, mm (LxWxH | 1200х1300х1100 |
| Overall dimensions of the boiler, mm (LxWxH) | 3040х1640х2260 |
| Boiler outlet water temperature, Max, °C | 90 |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney outlet, mm | 500х260 |
| Connection dimensions to the heating system | DN125 |
| Connecting size of the safety valve | 2х2" |
| Inner wall thickness of the heat exchanger, mm | 6 |
| Working pressure of the heat carrier, MPA, min / max | 0,15/0,3 |
| Vacuum behind the boiler, Pa, Max | 60 |
| Power consumption, W (220 V, 50 Hz), Max | 835 |
| Chimney pipe diameter, mm/height, m, not less | 400/18 |
| Boiler weight (without water), kg | 3 660 |
| Upper combustion chamber volume, M3 | 1,72 |
| Production period, days | ≥ 90 |
| Producer | РЕТРА |
| Power capacity, kW | 450 |
| Heating area, m2 (at a height of up to 3.5 m) | 4500 |
| Serial number of the boiler | 3М PLUS |
| Country of Origin | Ukraine |
| Water shirt volume, L | 1 150 |
| Fuel type | firewood, briquettes, coal |
| Complete set | controller, air fans (primary and secondary), prep. valve, manometer |
| Heat exchanger area, m2 | 38,12 |
| Upper combustion chamber size, mm (LxWxH | 1200х1300х1100 |
| Overall dimensions of the boiler, mm (LxWxH) | 3040х1640х2260 |
| Boiler outlet water temperature, Max, °C | 90 |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney outlet, mm | 500х260 |
| Connection dimensions to the heating system | DN125 |
| Connecting size of the safety valve | 2х2" |
| Inner wall thickness of the heat exchanger, mm | 6 |
| Working pressure of the heat carrier, MPA, min / max | 0,15/0,3 |
| Vacuum behind the boiler, Pa, Max | 60 |
| Power consumption, W (220 V, 50 Hz), Max | 835 |
| Chimney pipe diameter, mm/height, m, not less | 400/18 |
| Boiler weight (without water), kg | 3 660 |
| Upper combustion chamber volume, M3 | 1,72 |
| Production period, days | ≥ 90 |
| Producer | РЕТРА |
| Power capacity, kW | 450 |
| Heating area, m2 (at a height of up to 3.5 m) | 4500 |
| Serial number of the boiler | 3М PLUS |
| Country of Origin | Ukraine |