@David-TP Hi, Thank you for the quick reply. My tests: Running network optimization always defaults to channel 3 and has no effect. Switching of 2.4Ghz let's the thermostat restore connection....

Hi, I'm extremely happy with the upgrade to my wifi the deco XE75 units offered in my new home. However as soon as I installed them the wireless thermostat failed to connect to the boiler. After some...