| Water shirt volume, L | 2 115 |
| Fuel type | wood, briquettes, coal |
| Complete set | controller, air fans (primary and secondary), prep. valve, pressure gauge, requires cast iron grate |
| Heat exchanger area, m2 | 84,3 |
| Upper combustion chamber size, mm (LxWxH | 1600х2100х750 |
| Overall dimensions of the boiler, mm (LxWxH) | 3560х2450х2750 |
| Loading hatch neck size, mm (WxH) | 640 х 635 |
| Boiler outlet water temperature, Max, °C | 95 |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney outlet, mm | 750х410 |
| Connection dimensions to the heating system | DN150 |
| Connecting size of the safety valve | 2хDN80 |
| Inner wall thickness of the heat exchanger, mm | 8 |
| Power consumption, W (220 V, 50 Hz), Max | 3 390 |
| Chimney pipe diameter, mm/height, m, not less | 800/25 |
| Boiler weight (without water), kg | 8 300 |
| Upper combustion chamber volume, M3 | 2,47 |
| Production period, days | ≥ 90 |
| Producer | РЕТРА |
| Power capacity, kW | 1 250 |
| Heating area, m2 (at a height of up to 3.5 m) | 12500 |
| Serial number of the boiler | 4М PLUS |
| Country of Origin | Ukraine |
| Water shirt volume, L | 2 115 |
| Fuel type | wood, briquettes, coal |
| Complete set | controller, air fans (primary and secondary), prep. valve, pressure gauge, requires cast iron grate |
| Heat exchanger area, m2 | 84,3 |
| Upper combustion chamber size, mm (LxWxH | 1600х2100х750 |
| Overall dimensions of the boiler, mm (LxWxH) | 3560х2450х2750 |
| Loading hatch neck size, mm (WxH) | 640 х 635 |
| Boiler outlet water temperature, Max, °C | 95 |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney outlet, mm | 750х410 |
| Connection dimensions to the heating system | DN150 |
| Connecting size of the safety valve | 2хDN80 |
| Inner wall thickness of the heat exchanger, mm | 8 |
| Power consumption, W (220 V, 50 Hz), Max | 3 390 |
| Chimney pipe diameter, mm/height, m, not less | 800/25 |
| Boiler weight (without water), kg | 8 300 |
| Upper combustion chamber volume, M3 | 2,47 |
| Production period, days | ≥ 90 |
| Producer | РЕТРА |
| Power capacity, kW | 1 250 |
| Heating area, m2 (at a height of up to 3.5 m) | 12500 |
| Serial number of the boiler | 4М PLUS |
| Country of Origin | Ukraine |
