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- Boiler Retra -4М PLUS, 25kW
Boiler Retra -4М PLUS, 25kW
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
Loading hatch neck size, mm (WxH) | 340 х 230 |
Connection dimensions to the heating system | 2" |
Heat exchanger area, m2 | 2,4 |
Power consumption, W (220 V, 50 Hz), Max | 34 |
Production period, days | ≥ 90 |
Overall dimensions of the boiler, mm (LxWxH) | 1340х660х1450 |
Chimney outlet, mm | Ø 200 |
Complete set | controller, air fans (primary and secondary), prep. valve, pressure gauge, requires cast iron grate |
Vacuum behind the boiler, Pa, Max | 25 |
Temperature of combustion products, Max, °C | 110-160 |
Fuel type | wood, briquettes, coal |
Working pressure of the heat carrier, MPA, min / max | 0,1/0,2 |
Water temperature at the boiler inlet, not less than, °C | 55 |
Water shirt volume, L | 95 |
Inner wall thickness of the heat exchanger, mm | 5 |
Upper combustion chamber size, mm (LxWxH | 490х400х440 |
Boiler weight (without water), kg | 470 |
Boiler outlet water temperature, Max, °C | 95 |
Connecting size of the safety valve | 1/2" |
Furnace volume, L | 84 |
Chimney pipe diameter, mm/height, m, not less | 200/7 |
Producer | РЕТРА |
Country of Origin | Ukraine |
Power capacity, kW | 25 |
Serial number of the boiler | 4М PLUS |
Heating area, m2 (at a height of up to 3.5 m) | 250 |