Im replacing old danfoss 4 wire thermostat with new 2 wire digital honeywell thermostat DT90E.danfoss has 2 yellow wires 1 blue 1 red.which wire do i use
cheers
im *assuming* that you have earth/neutral/common/switch
you probably just need the common and the switch, there is probably a wiring diagram inside the old stat, if you cant figure the diagram out then you should really be getting a professional
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