Sleek. Stylish. Smart. The OJ Microline touchscreen thermostat is here.

It offers all the things you expect from a smart touchscreen thermostat – intelligent, adaptive control, intuitive operation and so on – with the crucial difference that it’s OJ quality through and through. You also get extra features that make installation a breeze: just follow the installation wizard. Or scan the QR support code for instant access to a smart, interactive manual.

Main features of the UDG4 Touch thermostat

  • 3.5” color touchscreen
  • Programmable and adaptive control
  • Universal compatibility with any floor sensor
  • Energy log
  • Installation wizard
  • QR support code for easy service and troubleshooting


There is much more to explore. Visit the website for details.

We wish you every success with the new thermostat. Please do not hesitate to contact us with any questions, queries, etc. you may have.

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About us

Introducing OJ Electronics
About OJ Electronics

For more than 50 years, we have designed and developed electronic controls for underfloor heating and HVAC.