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Hi thanks for replying = I am about to remove an old dial thermostat with a new touch screen, the problem is the new thermostat has 3 different terminal markings from the dial. the touch screen terminals are com, no & nc. I know that red is live and blue is neutral but don'tknow where to fit them.

Hi out there - has anyone ever wired a HY01BW thermostat - the problem is I have 3 wires - yellow, red and blue - I also have 3 terminal which are NO, COM & NC. does any one know which wires go in which terminal please. :( :(