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RC & RH at T-Stat

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Servicewiz_3
Servicewiz_3 Member Posts: 69
in Thermostats and Controls

I have recently viewed a U-tube tutorial on the "C" wire for the New Honeywell Resideo thermostat. I had always been told, if the stat subbase uses both RC & RH, the transformers must be placed in phase to be used together.

Can this rule also apply to this new stat?

Thanks in advance for any help!

Comments

  • Jamie Hall
    Jamie Hall Member Posts: 27,183

    Yes it does.

    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England

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