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Thermostat for Vitogas 100

jim_51
jim_51 Member Posts: 69
in THE MAIN WALL
I would like to change my thermostat to a wifi unit.  It uses 2 wires and controls a Viessman Vitogas 100.  Pls advise what thermostat I can use.  There is no C wire.

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 25,610
    No C wire? You will have to use an outboard power unit for any wi-fi thermostat -- but several makes do have such things available. I prefer Ecobee, but Nests also work...
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England

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