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2 stage gas furnace, but only W1 wired

zunkman
Community Member

I just got a Trane S9X2 installed (2 stage heat), and the techs who connected it to my Nest (3rd gen) only wired up W1 - there is nothing on W2.  I noticed that when the furnace comes on, it displays "Ht2" which is the "high" setting.  It never uses "Ht1".  Should I have the techs come back and wire in W2 as well as W1?  I'd hate to pay for a 2 stage furnace and only use 1 stage!  Thanks!!!

3 REPLIES 3

zoeuvre
Community Specialist
Community Specialist

Hi there, 

 

I’m sorry for the delay in responding, and I thank you for taking the time to contact us. Please send us a clear photo of your old thermostat wiring and how you wired it to your Nest Learning Thermostat. 

 

I'll look forward to your response.

 

Regards,
Zoe

Princesss
Community Specialist
Community Specialist

Hi zunkman,

 

We just want to check if you have seen our response posted above. Let us know if you have additional questions, otherwise we'll be locking the thread.
 

Best,

Princess

Princesss
Community Specialist
Community Specialist

Hello there,

 

Due to inactivity, I'll go ahead and lock this thread in 24 hours. Feel free to start a new thread if you need assistance with your Google Nest devices and we'd be glad to assist you further.
 

Best,

Princess