6
Mareli Systems
TECHNICAL DATA
LC 25 30 35 40 50
Nominal Power (kW) 25 30 35 40 50
Weight (kg) 262 280 301 321 350
Required draft (mbar) 20 21 22 23 25
Max working temperature (ºC) 90 90 90 90 90
Max working pressure (bar) 2.5 2.5 2.5 2.5 2.5
Boiler water content (litres) 93 98 104 109 120
Height (mm) 1294 1294 1294 1294 1294
Width (mm) 465 510 560 610 610
Depth (mm) 969 969 969 969 1044
Flue gas exhaust connection (mm) 149 149 149 179 179
Distance boiler base - basket connec-
tion (mm)
1125 1140 1140 1115 1115
Inlet / outlet connection (“) G 1-1/4” G 1-1/4” G 1-1/4” G 1-1/4” G 1-1/4”
Combustion chamber volume (dm³) 73 87 97 108 124
Max wood length (mm) 500 500 500 500 550
Chimney internal diameter (mm)* 200 200 200 200 200
Chimney height (m)* 7-8 7-8 8-9 9-10 10-12
Heated surface area (m²)* 120-150 150-180 180-210 210-240 240-300
* The values in the table are indicative. For the exact calculation of the dimensions of the chimney,
contact a specialized company.
• All the models from 25 to 50 kW, can work with pellets with a pellet burner kit and are de-
signed in accordance with European norms EN 303/5.
• The thickness of the walls of the boiler that comes into contact with water is 5 mm
• The boiler is equipped with a thermometer, ash tray and cleaning kit.
• The upper door is provided with an adjustable opening for adjusting the secondary air.
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