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Hello all, anyone have any insight in a 240 volt installation, i have a combination boiler/furnace. I have a 12.5 ma 240 to 24ac volt transformer supplying live (hot) to Rh, neutral (common) to c, should the ecobee4 start up? I also have a connected 24v relay (which works) to supply 240 v to boiler. But, the ecobee4 does not light up. Any suggestions? Thanks, Hugh.