Specialist in Climate Control Since 1945

Switchbox SLR On/Off


Switchbox for Mark Infra Line

Switchbox for turning 1 or more Infra Lines on/off based on room temperature, with day/night temperature setting.


  • Steel box with cylinder lock
  • 230V supply group per device.
  • Digital time switch with weekly programme.
  • Day and night temperature control.
  • Holiday switch to allow devices to operate at the night-time temperature over longer periods.
  • Overtime timer from 0-6 hours
  • Infra line on/off selector per device.
  • Illuminated reset button per device to indicate and reset a burner trip
  • A black bulb temperature sensor supplied separately.

Order code

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