![hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange](https://i.stack.imgur.com/Ud01N.jpg)
hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
![hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange](https://i.stack.imgur.com/qEAEL.jpg)
hvac - Rth5160d1003 New Thermostat wiring from Older 7 Wire Setup o & b wires? - Home Improvement Stack Exchange
![Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/thermostatic-controls/10791d1364565661-heat-pump-without-ob-wire-how-wire-electronic-thermostats-like-nest-old-thermostat-cover-off.jpg)
Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums
![Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/thermostatic-controls/10787d1364564056-heat-pump-without-ob-wire-how-wire-electronic-thermostats-like-nest-old-thermostat-wiring-2.jpg)