There are a couple of reasons why this might be happening. Your Radiator valves are sticking in place. Apply some WD40 to
Smart Radiator Head
Do you offer Installation?
We do not provide installation of WundaSmart.
For the smoothest installation, we recommend hiring a professional electrician or heating engineer to fit your WundaSmart HubSwitch.
Smart Radiator Head Auto Calibration
To ensure proper operation of the Smart Radiator Head, once a week the Smart Radiator Head will close and open the valve and measure the valve stem position.
How to change the temperature with a radiator head
The system was designed to allow users to manually change the temperatures in Rooms without the app. You can switch between defined temperatures you’ve set up in the app by pressing the + or – button placed on the front of the Radiator Head.
