LR 69071 was wired the following way. G=Green, R=Red, Y=Yellow, O=Orange, X=Blue, and W2 and E= White. Please let me know how the above wires should be connected to the new TH 4210D honeywell thermostat. Thanks in advance.

What letters do you have on the new stat?

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Originally Posted by mygirlsdad77

what letters do you have on the new stat?

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E, Aux, Y, G, O, L, R, B, and C

You have a heatpump system? I don't work with heatpumps much. Sorry I will be of no help here, hope one of the other pros here can help.

All the same w2 is aux, and blue will be L

Do you have any extra wires there? That can be used?

I only have the six wires. I will try it and let you know how it comes out. Thanks for your help.

No problem, with only 6 wires you will not have a common. This is fine, but you will be changing the batteries a good bit in the t-stat.

Thanks so much for your help. I really appreciate it.

Does it work? Gald I could help

So far so good.

Great!!