Name: Boiler Retra -4М PLUS, 25kW
Brand: РЕТРА
SKU: 1001244

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Boiler Retra -4М PLUS, 25kW

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Code: 1001244

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Water shirt volume, L	95
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	2,4
Furnace volume, L	84
Upper combustion chamber size, mm (LxWxH	490х400х440
Overall dimensions of the boiler, mm (LxWxH)	1340х660х1450
Loading hatch neck size, mm (WxH)	340 х 230
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	Ø 200
Connection dimensions to the heating system	2"
Connecting size of the safety valve	1/2"
Inner wall thickness of the heat exchanger, mm	5
Working pressure of the heat carrier, MPA, min / max	0,1/0,2
Vacuum behind the boiler, Pa, Max	25
Power consumption, W (220 V, 50 Hz), Max	34
Chimney pipe diameter, mm/height, m, not less	200/7
Boiler weight (without water), kg	470
Production period, days	≥ 90
Producer	РЕТРА
Power capacity, kW	25
Heating area, m2 (at a height of up to 3.5 m)	250
Serial number of the boiler	4М PLUS
Country of Origin	Ukraine

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Description Boiler Retra -4М PLUS, 25kW

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.

Category: Solid fuel boilers

Features Boiler Retra -4М PLUS, 25kW

Water shirt volume, L	95
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	2,4
Furnace volume, L	84
Upper combustion chamber size, mm (LxWxH	490х400х440
Overall dimensions of the boiler, mm (LxWxH)	1340х660х1450
Loading hatch neck size, mm (WxH)	340 х 230
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	Ø 200
Connection dimensions to the heating system	2"
Connecting size of the safety valve	1/2"
Inner wall thickness of the heat exchanger, mm	5
Working pressure of the heat carrier, MPA, min / max	0,1/0,2
Vacuum behind the boiler, Pa, Max	25
Power consumption, W (220 V, 50 Hz), Max	34
Chimney pipe diameter, mm/height, m, not less	200/7
Boiler weight (without water), kg	470
Production period, days	≥ 90
Producer	РЕТРА
Power capacity, kW	25
Heating area, m2 (at a height of up to 3.5 m)	250
Serial number of the boiler	4М PLUS
Country of Origin	Ukraine