Specialist in Climate Control Since 1945

GSX gas-fired air heater

gas-fired air heater

Economical heating with the GSX gas-fired air heater

With the Mark GSX gas-fired air heater, heat is generated via a premix-burner and blown out by means of an axial fan. The robust air heater is particularly suitable for industrial use and is very economical thanks to its low gas consumption, low maintenance and long lifespan.

The GSX is operated using an Optitherm+ clock thermostat or an Interface+ module that allows a connection with the BMS (building management system) via Modbus. The Optitherm+ also makes it possible to control the GSX units remotely with an app for mobile phone and tablet.

The Mark GSX series fully complies to the new Ecodesign 2021 and has a capacity range of 13,7 to 84,6 kW.

The GSX is suitable to heat garages, warehouses, workshops, distribution centers, showrooms and more.

Mark provides a 2 year full product warranty as standard.

Features of the Mark GSX

  • Long lifespan
  • Low operating costs
  • Robust
  • Reliable
  • Uniform temperature distribution through high air displacement
  • Small ΔT
  • Small difference between supply air and room temperature
  • Control up to 8 units possible via a 2-wire bus system
  • Zone heating possible via 1 control (up to 8 zones)

Standard equipment

  • Stainless steel heat exchanger
  • Closed combustion circuit
  • Premix burner
  • Electronic ignition
  • Aluzinc coating
  • Powerful axial fan(s)
  • Downflow hood with horizontal louvres
  • CE-approval
  • No condensation pipe required

The GSX is standard equipped with a speed-regulated, low-noise EC fan. Advantages:

  • The highest efficiency in case of speed control
  • Up to 50% energy saving in case of partial load
  • Almost completely linearly adjustable
  • Long lifetime
  • Low noise level
  • Integrated electronic thermal protection

Controls/to be applied for:

Interface Module

Interface+ Module

Interface module for Mark air heaters An Interface+ can be used in two ways. 1. Power control: An externally...

External room sensor

External Room Sensor

External room sensor for Mark air heaters External room sensor to be connected to the GNSD/GNCD or GS+/G(C)+ air...

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