Search results

  1. James Cao

    Navien NHB Condensing Boiler and Nest Thermostat

    Thank you! I believe the left CN25 terminal is common so blue wire here and then the C terminal on the Nest. the right CN25 terminal is hot or grounding? so a green wire would go here? but the G terminal on the Nest is for fans? where should this wire go?
  2. James Cao

    Navien NHB Condensing Boiler and Nest Thermostat

    Hi All - new to the forum and would appreciate some expert guidance I would like to install a Nest to control the boiler. the old thermostat used 2 wire (R & W), which are connected to CN10 on the NHB board. I have added a blue and green wire to provide power to the thermostat but don't know...
    • James Cao
    • Thread
    • blue wire common to the c terminal common wire green wire navien 150 nest thermostat
    • Replies: 3
    • Forum: HVAC Heating & Cooling
Top
✖
Hey, wait a minute.

This is awkward, but...

It looks like you're using an ad blocker. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. If you'd like to support the site, please allow ads.

If any particular ad is your REASON for blocking ads, please let us know. We might be able to do something about it. Thanks.
I've Disabled AdBlock    No Thanks