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I am going to help out a friend hook up their nest thermostat and as you might have guessed it's only a 2 wire at the location of the thermostat. Since the cheaper and newer version of the Nest thermostat runs off the neutral wire and only uses batteries as backup I need to run a new thermostat cable to the boiler. The Boiler is a Burnham mst396sl-hb and I have included pictures of the wire location at the boiler and my plan. I think its simple and looks straight forward but I figure I would just run it by all of you if you don't mind. I plan to buy 18/4 or 18/5 and just use what I need since I want the color blue for neutral and the 18/3 has green white and red only. Thank you all for your time and I did do a couple searches but they all seemed more complex setups than I have.

I am going to help out a friend hook up their nest thermostat and as you might have guessed it's only a 2 wire at the location of the thermostat. Since the cheaper and newer version of the Nest thermostat runs off the neutral wire and only uses batteries as backup I need to run a new thermostat cable to the boiler. The Boiler is a Burnham mst396sl-hb and I have included pictures of the wire location at the boiler and my plan. I think its simple and looks straight forward but I figure I would just run it by all of you if you don't mind. I plan to buy 18/4 or 18/5 and just use what I need since I want the color blue for neutral and the 18/3 has green white and red only. Thank you all for your time and I did do a couple searches but they all seemed more complex setups than I have.

I am going to help out a friend hook up their nest thermostat and as you might have guessed it's only a 2 wire at the location of the thermostat. Since the cheaper and newer version of the Nest thermostat runs off the neutral wire and only uses batteries as backup I need to run a new thermostat cable to the boiler. The Boiler is a Burnham mst396sl-hb and I have included pictures of the wire location at the boiler and my plan. I think its simple and looks straight forward but I figure I would just run it by all of you if you don't mind. I plan to buy 18/4 or 18/5 and just use what I need since I want the color blue for neutral and the 18/3 has green white and red only. Thank you all for your time and I did do a couple searches but they all seemed more complex setups than I have.

I am going to help out a friend hook up their nest thermostat and as you might have guessed it's only a 2 wire at the location of the thermostat. Since the cheaper and newer version of the Nest thermostat runs off the neutral wire and only uses batteries as backup I need to run a new thermostat cable to the boiler. The Boiler is a Burnham mst396sl-hb and I have included pictures of the wire location at the boiler and my plan. I think its simple and looks straight forward but I figure I would just run it by all of you if you don't mind. I plan to buy 18/4 or 18/5 and just use what I need since I want the color blue for neutral and the 18/3 has green white and red only. Thank you all for your time and I did do a couple searches but they all seemed more complex setups than I have.