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Wiring for Nest without R wire on the furnace

YC1978
Community Member

We have a Thermolec TH600-D which has C and W1 (plus other terminals) but no R. Nest requires all 3: C, W and R. Can you advise on how to wire in this situation or which accessory to purchase (connector, transformer)?

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4 REPLIES 4

Houptee
Silver Product Expert
Silver Product Expert

Read this same boiler you have they got it working.

https://www.reddit.com/r/ecobee/comments/aqq1t3/help_with_installation/


Houptee -- NJ Master HVAC Licensed Contractor

Jhonleanmel
Community Specialist
Community Specialist

Hey folks, 

We appreciate your help here, @Houptee.
@YC1978, I wanted to follow up and see if you are still in need of any help. Please let me know if you are still having any concerns or questions from here, as I would be happy to take a closer look and assist you further.

Thanks,
Mel

Hey there,

Checking back in should you still have some questions here. Let us know by replying to this thread. 

Best, 
Mel

Dan_A
Community Specialist
Community Specialist

Hey there,

 

We haven't heard from you in a while so we'll be locking this thread if there is no update within 24 hours. If you need assistance or want to discuss topics, feel free to start a new thread.

 

Regards,

Dan