![My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee? My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?](https://storage.googleapis.com/article_attachments/227874667/rwc.png)
My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?
![MEROM 24V 500mA 26ft C Wire Transformer Adapter for Thermostat and Doorbell, Compatible with Nest/Ecobee/Sensi/Honeywell Thermostat, Nest Hello Doorbell/Ring Doorbell Power Supply : Amazon.com.au: Home Improvement MEROM 24V 500mA 26ft C Wire Transformer Adapter for Thermostat and Doorbell, Compatible with Nest/Ecobee/Sensi/Honeywell Thermostat, Nest Hello Doorbell/Ring Doorbell Power Supply : Amazon.com.au: Home Improvement](https://m.media-amazon.com/images/I/31adx2O77SL.jpg)
MEROM 24V 500mA 26ft C Wire Transformer Adapter for Thermostat and Doorbell, Compatible with Nest/Ecobee/Sensi/Honeywell Thermostat, Nest Hello Doorbell/Ring Doorbell Power Supply : Amazon.com.au: Home Improvement
![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?
![My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee? My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?](https://storage.googleapis.com/article_attachments/227874667/Untitled_Diagram__10_.png)
My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?
![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_Dual%20transformer%20separate%20R%20wires.png)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
![HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire - Walmart.com HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire - Walmart.com](https://i5.walmartimages.com/asr/78bfa24a-2442-4154-817f-937da8699394.c701194432035545bfcb3f3f0133b5dd.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
HQRP 24V AC Adapter Transformer Works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire - Walmart.com
![24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart WiFi Thermostat Pro(25Foot /7.6M Cable) - - Amazon.com 24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart WiFi Thermostat Pro(25Foot /7.6M Cable) - - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/61BeXNBioTL._AC_UL600_SR600,600_.jpg)
24Volt Power Adapter/Transformer,C-Wire Adapter Thermostat,Compatible with Honeywell,Ecobee,Nest and Sensi Smart WiFi Thermostat Pro(25Foot /7.6M Cable) - - Amazon.com
![HQRP 24V AC Adapter Transformer works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable HQRP 24V AC Adapter Transformer works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable](https://hqrp.com/pub/media/catalog/product/cache/207e23213cf636ccdef205098cf3c8a3/7/1/712b5yjwbasl._ac_sl1500_.jpg)
HQRP 24V AC Adapter Transformer works with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable
![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?
![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)
I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?
![HQRP 24V AC Adapter Transformer Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable, White, UL Listed - Walmart.com HQRP 24V AC Adapter Transformer Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable, White, UL Listed - Walmart.com](https://i5.walmartimages.com/asr/931641c2-582c-4e18-abae-a9612c6aed97.509939452bcc0d25384187adaea0c983.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
HQRP 24V AC Adapter Transformer Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable, White, UL Listed - Walmart.com
![N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com](https://i5.walmartimages.com/asr/f8863ff8-f2ff-4a3d-9a67-38e8bdd5be59.6d13dff0e6b9cea7329179d188ec79bf.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
N1 Common C Wire Adapter AC Transformer 24V 500mA Universal Compatible With WIFI Smart Thermostat and Doorbells. Nest, Ring, Honeywell, Ecobee, Sensi - White, New - Walmart.com
![I'm trying to use the G wire as a C. The AC and blower are working as expected, but my ecobee won't control heat--dual transformer (boiler & AC) : r/ecobee I'm trying to use the G wire as a C. The AC and blower are working as expected, but my ecobee won't control heat--dual transformer (boiler & AC) : r/ecobee](https://preview.redd.it/im-trying-to-use-the-g-wire-as-a-c-the-ac-and-blower-are-v0-d0xffo61436a1.jpg?auto=webp&s=8f99327561f9c65797f323c9ff5e1b629281f9ec)
I'm trying to use the G wire as a C. The AC and blower are working as expected, but my ecobee won't control heat--dual transformer (boiler & AC) : r/ecobee
![24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement 24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/51t+PlVTa1L._AC_.jpg)
24 Volt Transformer, C Wire Adapter Thermostats, Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement
![Newding 24 Volt Transformer, C Wire Adapter Thermostats Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement Newding 24 Volt Transformer, C Wire Adapter Thermostats Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/61b+JSX6IQL.jpg)
Newding 24 Volt Transformer, C Wire Adapter Thermostats Compatible with Ecobee, Nest and Honeywell Smart WiFi Thermostat, Ring Nest Hello Skybell August Doorbell (White) : Amazon.ca: Tools & Home Improvement
![My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee? My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?](https://storage.googleapis.com/article_attachments/227874667/Untitled_Diagram__9_.png)
My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?
![Wiring a ecobee 4 with external plugin transformer — can't get a/c to work. See previous thermostat. : r/ecobee Wiring a ecobee 4 with external plugin transformer — can't get a/c to work. See previous thermostat. : r/ecobee](https://i.redd.it/lu3n3ht0mvc01.jpg)