Question regarding compatibility of Honeywell 6 wire thermostat replacing with Google Nest

[tmofo]

I have a Honeywell wifi 6-wired thermostat ( w/ Blue, Red, Yellow, orange, Green, and White wires). I am trying to confirm if I can replace this with a Google Nest Thermostat. When I checked the online compatibility guide the answer wasn't clear. I have a heat pump which I  assume is the orange wire and here's how each wire is attached currently:

Blue connected to "C" terminal

Red connected to "R" terminal

Orange connected to " W-O/B" terminal

Yellow connected to "Y" terminal

Green connected to "G" terminal

White connected to "W2/aux/ E" terminal

Thanks!

[Markjosephp]

Hello tmofo,

Thanks for reaching out! It looks like you've got a Honeywell thermostat with six wires, and you're considering replacing it with a Nest Thermostat. Based on the wiring configuration you provided, here's how you can map your current connections to the Nest Thermostat:

• Blue wire to "C" terminal on Nest Thermostat
• Red wire to "R" terminal on Nest Thermostat
• Orange wire to "O/B" terminal on Nest Thermostat
• Yellow wire to "Y1" terminal on Nest Thermostat
• Green wire to "G" terminal on Nest Thermostat
• White wire to "W2.Aux" terminal on NNest Thermostat

Also, it's always a good idea to turn off the power to your HVAC system before making any changes. If you're unsure or have any doubts, consulting with a professional HVAC technician is recommended to ensure a smooth installation. 

Let us know if you have more questions.

Best,
Mark