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Boiler Retra -4М PLUS (0,6 МПа), 1250kW
Overview
Boilers are designed to work in central water heating systems with forced (closed pressure heating system) or natural (open heating system) circulation of heat carrier for heat and hot water supply of residential buildings, dachas, industrial and warehouse premises, retail facilities, social and administrative buildings. With an operating pressure of not more than 0.2 MPA (on request - 0.6 MPA) and a water temperature at the boiler outlet of not more than +95 °C.
Characteristics
| Connection dimensions to the heating system | DN150 |
| Upper combustion chamber volume, M3 | 2,47 |
| Upper combustion chamber size, mm (LxWxH | 1600х2100х750 |
| Connecting size of the safety valve | 2хDN80 |
| Overall dimensions of the boiler, mm (LxWxH) | 3560х2450х2750 |
| Inner wall thickness of the heat exchanger, mm | 8 |
| Loading hatch neck size, mm (WxH) | 640 х 635 |
| Water shirt volume, L | 2 115 |
| Boiler outlet water temperature, Max, °C | 95 |
| Fuel type | wood, briquettes, coal |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Power consumption, W (220 V, 50 Hz), Max | 3 390 |
| Production period, days | ≥ 90 |
| Complete set | controller, air fans (primary and secondary), prep. valve, pressure gauge, requires cast iron grate |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney pipe diameter, mm/height, m, not less | 800/25 |
| Heat exchanger area, m2 | 84,3 |
| Chimney outlet, mm | 750х410 |
| Boiler weight (without water), kg | 8 300 |
| Producer | РЕТРА |
| Power capacity, kW | 1 250 |
| Serial number of the boiler | 4М PLUS |
| Heating area, m2 (at a height of up to 3.5 m) | 12500 |
| Country of Origin | Ukraine |
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