thermostat - Wire going between O terminal and B terminal - Home Improvement Stack Exchange
Nest thermostat star connector - Google Nest Help
Help with this Install please, I have a separate wire for w2 and OB, what to do since they are combined on Ecobee : r/ecobee
What am I doing wrong? AC won't cool. Labels of cables match old thermostat. Settings match (heat pump / 2 stage / OB wire on cool). : r/smarthome
Help - Nest Thermostat install - W/B, Y/O, G, RC, ... - Google Nest Community
My Nest isn't detecting my OB wire and is blowing hot air, but our outdoor heat pump is blowing cold air. Any ideas for next steps? Pic of wires for reference :
What Is the OB Wire on a Nest Thermostat | CitizenSide
The RiteTemp Support Site - Y, O, B, G, R, C* Wiring Steps
O/B wire question for new thermostat - DoItYourself.com Community Forums
How To Fix O/B Wire Issue On Honeywell Home Pro Series T6 - YouTube
hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
What am I doing wrong? : r/ecobee
How to identify a thermostat wire
Wiring question on Thermostat - O/B & W : r/hvacadvice
Thermostat Wiring Explained! How To, Color Coding, Types & More
What All Those Letters Mean on Your Thermostat's Wiring | iFixit News
E105 - O/B WIRE PROBLEM : r/Nest
Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum
Nest thermostat star connector - Google Nest Help
Trying to upgrade to Nest. What is O/B wire & why is white wire in W2/Aux? : r/Nest
need help with my Nest Thermostat : r/Nest
Thermostat: W and O/B are combined on old Honeywell. How do I wire into new Ecobee? to W or to O/B? Thx : r/homeautomation
Wyze Thermostat Problem - Heat and Air are mixed up using recommended wiring - #54 by speadie - Home - Wyze Forum
hvac - Nest Thermostat Wiring problem - Heat does not work - Home Improvement Stack Exchange
Nest thermostat star connector - Google Nest Help
Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums