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Thermostat

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jasomplacencia1989
jasomplacencia1989 Member Posts: 1
in Oil Heating
I have an oil furnace to heat the house I have radiator I think is call steam but I am not sure. I have a new Honeywell round thermostat heat only. Cph switch shouu if ls be both on? Or off ? The furnace doesn’t turn on with the new thermostat 

Comments

  • Intplm.
    Intplm. Member Posts: 3,018
    Please post some pictures and some more info clearly.
  • HVACNUT
    HVACNUT Member Posts: 7,450
    Try reversing the wires at the thermostat. 
    What model thermostat? If Honeywell round digital, its a power stealing thermostat. 
    Did the heat work before the new thermostat?
    Intplm.

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