I am going to replace the existing one (picture-1). As you can see the 2nd picture, 4 wires come out from the wall; White, Pink, Orage(?) and Black. The RC and RH are jumped together on the thermos.
The Pink one is connected to the RH.
The White one is connected to the W.
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I’m going to buy this one:
Here is the manual: http://www.emersonclimate.com/Docume…/0037-7260.pdf
I have a question about the BLACK and the ORANGE ones; how do I connect the 2 wires in the new one?
Appreciated for any helps!!!