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Specialist in Climate Control Since 1945

GSD air heater

The indestructible “bestseller”

We have manufactured more than 350.000 GS gas-fired suspended air heaters over the past 70 years. A 25 year lifespan is no exception for a GSD. The MARK GSD can be used in many areas of application, and the heat exchanger, for example, can be used in garages, warehouses, workshops and other large rooms.
The extensive range of 15 different appliances varying from 20 kW to 95 kW means precisely the right appliance can be selected whatever the project.

Features of the Mark GSD

  • Efficiency ≥ 90%.
  • Low NOx.
  • Closed appliance.
  • Low noise level.
  • Stainless steel AISI 409 heat exchanger.
  • AISI 321 stainless steel burner.
  • Aluzinc coating.
  • Axial fan.
  • Electronic ignition.
  • Reliable
  • Long lifespan
  • 2-wire control system
  • Possibility to control 1-8 units
  • Possibility of zone optimisation control
  • Possibility of temperature gradient control

HPIM0490

Controls/to be applied for:

External Room Sensor

Item: 0629194 External room sensor to be connected to the GNSD/GNCD or GS+/G(C)+ air heater. With the external room...

OptiTherm

Article code: 0629191 The OptiTherm is a digital clock thermostat with internal room sensor with which 1 or more...

BaseTherm

Item: 0629190 Digital room thermostat with an internal room temperature sensor, with which by means of a bus system,...

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