Hi, I have just bought Tado thermostat for my combi boiler Greenstar 18/25. I’m not sure about the wiring as I haven’t had a thermostat installed in my heating system before. These are the photos of the boiler:
The link between Ls (Live Supply) and Lr (Live Return) is removed and the thermostat connected in its place.
If you need more help, please provide details of the Tado thermostat that you have. There are different variants, some are wireless that have a receiver that needs a 230V supply. Others are wired and battery operated, so don't need 230V.
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