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Compatability

Nickey44
Community Member
9 REPLIES 9

Nickey44
Community Member

E7209C91-881A-462D-8264-63AFF8F3B671.jpeg

EdwardT
Community Specialist
Community Specialist

Hi Nickey44,

 

Thanks for reaching out. I'd love to know more about this. Could you tell us the make and model of your current thermostat? I would also suggest tracing the wires on your control board to see where the U1 wires are connected to.

 

Looking forward to your response.

 

Thanks,

Edward

EdwardT
Community Specialist
Community Specialist

Hi Nickey44,

 

It's me again. I wanted to check back in to see if you have other questions and concerns. Feel free to let me know if you do. 

 

Thanks,

Edward

 

 

EdwardT
Community Specialist
Community Specialist

Hi Nickey44,

 

Just checking in to make sure that you've seen our response. Please let us know if you have any other questions or concerns as I will be locking this in 24 hours.

 

Thanks,

Edward

Houptee
Community Member

Do you know what the two wires U1 U1 are going to?

Here is the manual for that Tstat and everything is compatible but you need to determine the U1 wires.

https://s3.amazonaws.com/s3.supplyhouse.com/product_files/Honeywell-TH8320R1003-Install-Instructions...

Patrick_Caezza
Gold Product Expert
Gold Product Expert

Do you have a humidifier or dehumidifier installed? The U1 and U2 terminals are used to control and accessory your system. If you do, only the Nest 3rd Gen Learning Thermostat will be compatible.

MelbaDT
Community Specialist
Community Specialist

Hey folks, 

 

Thanks for answering, Patrick_Caezza and Houptee. 

 

Nickey44, I want to ensure this is already good to go. Let us know if you still have some questions. Also, you may check on our online Compatibility Checker or check this link for more information: https://bit.ly/394v136

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hey Nickey44, 

 

Checking back in — still have some questions about our Nest thermostats?

 

Best, 

Melba

MelbaDT
Community Specialist
Community Specialist

Hi, 

 

I haven't heard from you in a while so I'll be locking this thread if there is no update within the day. If you have any new issues, updates or just a discussion topic, feel free to start a new thread in the community.
 

Best, 

Melba