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EOS Econ H4

Control unit, dry and humid sauna

Electronic sauna control unit (dry & humid sauna) for demanding, private and commercial users.

Electronic sauna control unit for dry and humid sauna operation (for sauna heaters with vaporizer) with a large LCD display with multi-language menu navigation and new innovative functions. Particularly suitable for advanced commercial sauna cabins.

Extra-large, multi-line LCD display, all parameters at a glance. With 24 h pre-set timer in real time. Menu navigation in 12 languages, clock, output for cabin light 230V, Life-Guard function, remaining heating time display. With keypad lock (child lock). Safety temperature limitation 139 °C. Unlimited heating time (for commercial use).

Switching power 9 kW, may be extended for connection of more powerful heaters. Inc. temperature sensor with 2 m cable. Humidity sensor optional.

Additionally with:

  • Dimmable cabin light (10-step, automatic detection of inductive and capacitive loads).
  • Output for ventilation fan (3-speed).
  • Holiday home mode (restricted access - only basic functions)
  • 4 user profiles.


Optional accessories:

  • Remote Start Module: with this module you can start your sauna from a remote location up to 100 m. An integrated LED lamp indicates the current operation status.
  • Bench Sensor: improves temperature control, recommended especially for large saunas or complex layouts.
  • F2 Humidity sensor: for humidity control as per relative air humidity in a sauna.

Item no.


  • Illuminated extra-large alphanumeric multiline LCD display, shows all parameters at a glance. Menu navigation in 12 languages.
  • Modern, slim housing design.
  • For dry and humid sauna operation. Digital temperature control:
    • 30 °C - 115 °C (in dry Finnish sauna mode)
    • 30 °C - 70 °C (in humid sauna operation).
  • Remote switching possible (optional remote start button).
  • Dimmable cabin light (10-step, automatic detection of inductive and capacitive loads).
  • Output for fan, 3 step speed adjustment.
  • “Holiday home mode” (restricted access mode).
  • Switching capacity 9 kW, my be extended with an LSG device.

Electrical connection

400 V 3N ~ 50 Hz

Switching capacity

9,0 kW resistive load (AC1 mode)

Humidity mode: 6 kW + 3 kW for vaporizer equipment.

Can be expanded via the connection of power switching devices

Power extension via LSG unit

LSG 10 / LSG 18 / LSG 36

Temperature control range

30 - 115 °C Finnish

30 - 70 °C Bi-O

Start time pre-selection

up to 24 hrs

Cabin light/fan outputs

max. 100 W

Heating time limitation

6 h, 12 h, unlimited

Dimensions H/W/D in cm

22 / 25 / 6,7

Ambient temperature in operation

-10 to +40 °C

Weight without packaging

1,0 kg