Replacing the batteries in my Wiser Radiator Thermostat Follow
The centre LED will signal when the batteries need to be replaced. (as well as being view able in the app in settings - devices)
Replace the batteries with 2 x 1.5V IEC LR6 (AA) alkaline batteries.
Ensure the batteries (+ and - ends) are correctly orientated. The polarity is indicated on the device’s terminals.
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