Thread: Installing NEST Thermostat - two wires
View Single Post
  #54   Report Post  
Posted to alt.home.repair
Mr Fuxitup Mr Fuxitup is offline
external usenet poster
  
Posts: 1
Default Installing NEST Thermostat - two wires
On 10/04/2017 12:31 AM, wrote:
Today I install nest thermostat. I took out the old one.i saw only two wires. White and yellow..so I put those white in W1 and yellow one at Y..am I doing correct..advise me plz

If this is a 24 volt heat only system, I'm going to *guess* you should use the Rh and W terminals.

Were the terminals labeled on your old thermostat?


If you have a millivolt furnace system, the nest probably wont work with it.

Reply With QuoteReply With Quote