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speedracrr
Jun 1, 2008, 11:40 AM
On my old Selco thermostat, I have the following wires:

W2 - White
O - Orange
X - Blue
R - Red
G - Green
Y - Yellow

My new thermostat has the following terminals:

G
RC (jumper to RH)
RH (jumper to RC)
Y/O
W/B
Y1

I believe that R (Red) will connect to RH, G (Green) will connect to G, Y (Yellow) will connect to Y/O, X (Blue) is common and not needed. I'm not sure about the Orange and White wires though. Can anyone help me out with this one please?
hvac1000
Jun 1, 2008, 04:31 PM
Model numbers and brand names for both thermostats?