Gas heater - M 20 | Robur

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Gas heater, with axial fan for direct horizontal blowing, atmospheric burner, 18.3 kW heat output, air throw 12 m, air flow 1700 m³/h
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Click on the Model for technical data, dimensions, accessories
M series - with axial fan for direct horizontal blowing, atmospheric burner
M 20 18.3 kW heat output, air throw 12 m, air flow 1700 m³/h
M 20
18.3 kW heat output, air throw 12 m, air flow 1700 m³/h
  M 20 M 25 M 30 M 35 M 40 M 50 M 60
Heat input kW 20.6 28.8 34.8 42.2 48.2 57.3 72.5
Nominal heat output kW 18.3 25.5 30.7 37.4 42.5 50.7 63.8
Efficiency % 88.8 88.5 88.2 88.6 88.2 88.5 88.0
Gas consumption1 natural gas m3/h 2.18 3.04 3.68 4.46 5.10 6.06 7.67
LPG G30 kg/h 1.62 2.27 2.74 3.32 3.80 4.52 5.72
LPG G31 kg/h 1.59 2.22 2.69 3.26 3.73 4.43 5.61
Airflow rate2 m3/h 1700 2350 3000 3400 3750 4700 6200
Temperature rise °C 32.0 32.0 30.3 32.6 33.6 32.0 30.5
Gas connection ”F 1/2" 3/4"
Air inlet pipe diameter3 mm 130
Exhaust flue pipe diameter3 mm 110
Electrical supply   230 V 1N - 50 Hz
Installed wattage W 340 340 340 340 400 620 620
Air throw4 m 12 15 18 20 21 23 25
Recommended height of installation m 2.5 2.5-3 2.5-3 2.5-3 2.5-3 2.5-3 3-3.5
Operating temperature range5 °C 0-35
Sound pressure level at 6 metres in open field dB(A) 41 43 44 44 45 45 47
in typical installation dB(A) 53 55 56 56 57 58 59
Dimensions width mm 630 630 770 880 880 1070 1270
depth mm 640 640 670 670 700 640 670
height mm 800
Weight kg 55 59 68 80 80 90 108
  1. At 15 °C - 1013 mbar.
  2. At 20 °C - 1013 mbar.
  3. Nominal diameter of rigid pipe to be inserted into specific cylindrical housing.
  4. Values measured in free field; in actual installation heat flow may reach significantly greater distances than the value declared above (depending on height, installation environment and thermal insulation of the area covered).
  5. Indoor temperature of the installation location. The unit’s internal components have been tested from 0°C to 60°C.

Dimensions

Gas fired unit heater M dimensions

  A B C D E F G H J L N P Q R S T U V W X Y Z
M 20 630 640 800 490 370 405 440 430 215 285 95 390 435 340 600 715 714 1/2" - 133 113 355
M 25 630 640 800 490 370 405 440 430 215 285 95 390 435 340 600 715 714 1/2" - 133 113 355
M 30 770 670 800 490 510 405 580 430 215 285 95 460 435 340 600 715 714 1/2" - 133 113 410
M 35 880 670 800 490 620 405 690 430 215 285 95 515 435 340 600 715 714 1/2" - 133 113 410
M 40 880 700 800 490 620 405 690 430 215 285 95 515 435 340 600 715 714 3/4" - 133 113 410
M 50 1070 640 800 490 810 405 880 430 215 285 95 398 435 340 600 715 714 3/4" 432 133 113 355
M 60 1270 670 800 490 1010 405 1080 430 215 285 95 468 435 340 600 715 714 3/4" 495 133 113 410
  1. Flue
  2. Air intake
  3. Conduit entry for electrical connection
  4. Gas supply

Maximum range of products with a high level of reliability. Gas fired unit heaters with atmospheric burner, available in 7 models from 18,3 to 63,8 kW.

Distinguishing characteristics

  • Wide range of models with different output.
  • All the models are supplied with remote controls with lockout warning lamp and reset button.
  • The simplicity and reliability of M series heaters provide a superior price/performance ratio in comparison with other heating systems.

Ideal applications

Thanks to the wide range to choose from, M heaters are ideal for heating all medium-to-large buildings, such as:

  • industrial premises and workshops;
  • laboratories;
  • warehouses and storage facilities;
  • supermarkets and showrooms;
  • greenhouses and livestock facilities.
M gas fired unit heaters
Manuals 648 KB
Declarations of conformity 1.1 MB
Brochures 134 KB
AutoCAD drawings 167 KB
Gas fired heaters line
Brochures 6.6 MB