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Thank all for your answers. I found that I have a Lennox G60UHV X series.
From the funrance it is wired as follows White=W1, Red=R, Green=G, Blue and Red=Y2

The Therm is a model 1F86-244 The blue...

I just bought the p474-1100rec. I have four wires from wall, white, red, green and blue.
It is currently hooked up to a White Rodgers as follows:
White=W, Red=rc with a jumper to rh, green=g and...