Wiring configuration help

[Osmanh]

 

Can someone please tell how to connect this to Nest Gen 3 thermostats. R B D wires 

 

[Jhonleanmel]

Hi Osmanh,

Thanks for the photos and for posting.

Your wire label indicates an incompatible system.

These systems usually only work with thermostats made by the same manufacturer. But some incompatible systems may also have the option to use standard heating system wires. Contact a local pro and have them check if your system can be rewired to be Nest compatible.

Best,
Mel

[Markjosephp]

Hello there,

Thanks for helping, Mel.

@Osmanh, I hope you've got the answer you're looking for, but I wanted to see if you still needed help. Please let us know if you have any other questions or concerns.

Regards,

Mark

[Markjosephp]

Hello Osmanh,

I'm checking in to make sure that you've seen our response. If you have any further questions or concerns, please let us know before we lock this thread in 24 hours.

Thanks,

Mark