![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Fast-Stat-Wiring%20Diagram.png)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
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I have a two-zone AC/furnace system controlled by two thermostats, one upstairs (UT) and one downstairs (DT). When the
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Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums
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Replacement of 2 Thermostats with 1 New One!- Detailed Heat and AC Tstat Wiring Installation! - YouTube
![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Backplate_Jumper%20wires.png)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
![Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/heat-pumps-electric-home-heating/111828d1576730455-thermostat-wiring-hybrid-dual-fuel-heat-pump-added-existing-hydronic-oil-honeywell_prestigeiaqwboilerandisolating-relay.jpg)
Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums
![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Diagram_Connect%20C%20or%20Extra%20Wire%20on%20Cooling%20Side_Good.png)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Diagram_Repurpose%20G%20wire_Before.png)