![furnace - Help needed on thermostat wiring with Ecobee and Fast-Stat 5000 - Home Improvement Stack Exchange furnace - Help needed on thermostat wiring with Ecobee and Fast-Stat 5000 - Home Improvement Stack Exchange](https://i.stack.imgur.com/5aBZj.jpg)
furnace - Help needed on thermostat wiring with Ecobee and Fast-Stat 5000 - Home Improvement Stack Exchange
![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/gasvalvediagram.png)
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? 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/ecobee-intermittent-ignition-oil-primary.jpg)
My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?
![Thermostats 24 Volt Transformer C Wire Power Adapter for Nest, Ecobee, Honeywell WiFi Thermostats, Power Supply for Nest Hello, Ring Smart Doorbells Chime - - Amazon.com Thermostats 24 Volt Transformer C Wire Power Adapter for Nest, Ecobee, Honeywell WiFi Thermostats, Power Supply for Nest Hello, Ring Smart Doorbells Chime - - Amazon.com](https://m.media-amazon.com/images/I/71qO0x7bNcL._AC_UF894,1000_QL80_.jpg)
Thermostats 24 Volt Transformer C Wire Power Adapter for Nest, Ecobee, Honeywell WiFi Thermostats, Power Supply for Nest Hello, Ring Smart Doorbells Chime - - Amazon.com
![I currently have 2 wires coming from furnace. Ecobee says: Based on your wiring selection of Rh and W or W1 your home is compatible with ecobee, but you will need to I currently have 2 wires coming from furnace. Ecobee says: Based on your wiring selection of Rh and W or W1 your home is compatible with ecobee, but you will need to](https://preview.redd.it/rfv8w700xryz.jpg?width=640&crop=smart&auto=webp&s=486a23a998541bc1db46f9057315455e3b5411e8)
I currently have 2 wires coming from furnace. Ecobee says: Based on your wiring selection of Rh and W or W1 your home is compatible with ecobee, but you will need to
![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/gasvalvefaststat.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_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?
![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?
![Ecobee Install: Not sure what the 2 additional wires are (light green and red (in same contact as black)...maybe for the boiler? Only 4 wires run to the thermostat, do I just Ecobee Install: Not sure what the 2 additional wires are (light green and red (in same contact as black)...maybe for the boiler? Only 4 wires run to the thermostat, do I just](https://preview.redd.it/ecobee-install-not-sure-what-the-2-additional-wires-are-v0-fprj20igl9b81.png?auto=webp&s=a84cc01cc9cdb7838d53ee4b32b1575fbcdde63b)