Updated: March 30, 2023
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by Oleksandr Lazariev
Tech Expert & Writer
796 resolved issues

I AM INSTALLING A GOOGLE NEST THERMOSTAT

AND MY ORIGINAL THERMOSTAT HAS A JUMPER BETWEEN R AND RC CONNECTORS. CAN I SIMPLY CONNECT THE WIRE FROM THE R CONNECTOR TO THE NEST AND IGNORE THAT THESE TWO TERMINALS WERE CONNECTED ON THE ORIGINAL THERMOSTAT
author

Hello, thank you for using Howly. I’ll be happy to help you out! May I ask your name?

Customer Replay

*****

author

Nice to meet you, *****!
Can you tell me the brand and model of both the old and new thermostats?

Customer Replay

TY

author

What is the brand and the model of both the old and new thermostats?

Customer Replay

OLD IS APRILAIRE BUT I DONE SEE A MODEL. NEW IS GOOGLE NEST

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author


Ok, thank you

Customer Replay

ON THE OLD THERMOSTAT, THERE IS A JUMPER FROM R TO RC. IF I INCLUDE RC IN THE COMPATIBILITY CHECK GOOGLE HOME REPORTS THAT MY SYSTEM IS NOT COMPATIBLE. BUT IF I INCLUDE R ONLY, THEN IT IS COMPATIBLE. THE RED WIRE FROM THE FURNACE IS CONNECTED TO THE RC TERMINAL BUT ELECTRICALLY THAT IS THE SAME AS THE R TERMINAL. I SUSPECT THAT I SHOULD NOT REPORT A CONNECTION TO BOTH R AND RC IN THE COMPATIBILITY CHECK.

author

Unlike most thermostats, Google Nest thermostats do not use jumper wires.
If your current thermostat has jumper wires, do not connect them to your Nest thermostat.
An R wire can go into a Nest Learning Thermostat's Rc or Rh connector.

Customer Replay

OK, THE R WIRE ON THE OLD WENT TO THE RC TERMINAL WHICH WAS JUMPERED TO THE R TERMINAL. SO IS IT OKAY FOR ME TO CONNECT THE R WIRE FROM THE FURNACE TO THE R TERMINAL ON THE NEXT?
NEST

author

Yes, it should be fine

Customer Replay

OKAY, THANK YOU

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author

Sure, you are welcome!
Is there anything else I can do for you today?

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