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Boiler Retra-5М, 20kW Standart
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.
Characteristics
| Furnace volume, L | 117 |
| Connection dimensions to the heating system | 1 1/2" |
| Upper combustion chamber size, mm (LxWxH | 475х370х670 |
| Connecting size of the safety valve | 1/2" |
| Overall dimensions of the boiler, mm (LxWxH) | 915х635х1370 |
| Inner wall thickness of the heat exchanger, mm | 5 |
| Loading hatch neck size, mm (WxH) | 330х215 |
| Working pressure of the heat carrier, MPA, min / max | 0,2 |
| Water shirt volume, L | 85 |
| Boiler outlet water temperature, Max, °C | 95 |
| Vacuum behind the boiler, Pa, Max | 25 |
| Fuel type | firewood, briquettes, coal |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Production period, days | ≥ 90 |
| Complete set | mechanical regulator, safety valve, thermometer, grate cleaning pedal, ash box |
| Temperature of combustion products, Max, °C | 140 |
| Chimney pipe diameter, mm/height, m, not less | 180/8 |
| Heat exchanger area, m2 | 2,58 |
| Chimney outlet, mm | Ø159 |
| Boiler weight (without water), kg | 270 |
| Producer | РЕТРА |
| Power capacity, kW | 20 |
| Serial number of the boiler | 5М |
| Heating area, m2 (at a height of up to 3.5 m) | 200 |
| Country of Origin | Ukraine |
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