Gateway MSW4 (Discontinued)

Gateway MSW4

Complete heating system from OJ

- remote-controlled with new app

The OJ Microline® Comfort System4™ with a Gateway solution is a simple and energy efficient way of ensuring comfort in your house. MSW4 is a gateway between the OJ Microline® Comfort System4™ and a WiFi router. With this solution, you can control heating via PC, tablet or smartphone regardless of whether you are home or away.

The user friendly interface makes it simple to change the temperature, adjust setback times, extend the comfort period or activate frost protection, holiday or auto mode. The solution is system independent and works on all platforms.

  • Easy to change temperature
  • Select Frost protection mode
  • Select Holiday mode
  • Easy change of heating and setback periods
  • Control your floor heating with the new app from OJ via any smartphone, tablet, PC or Mac
  • What is the maximum lenght of the sensor cable?


    In general, we recommend a maximum cable length of 50 meters, the lenght might be shorter. Read the instructions for the precise maximum lenght.

  • Where to connect the ground wire of floor mats?


    The ground wire in the floor mat must be connected directly to the ground wire of the supply.

  • What is the recommended night setback?


    The recommended night setback is max 5°C/9°F



  • Does the adaptive function reset when making a factory reset?


    Yes the adaptive function is reset during a factory reset.



  • How can I cure the E2 error message?


    "E2" means defective, damaged or disconnected floor sensor. Sensor resistance should be 10 or 12 kOhm at 25°C (77°F). The onstruction or quick guide holds informatiom for the specific thermostats.