![My thermostat has 4 wires coming from it.Blue, green, red, and white. But my air handler has 5 wires. Where does the brown one go? : r/hvacadvice My thermostat has 4 wires coming from it.Blue, green, red, and white. But my air handler has 5 wires. Where does the brown one go? : r/hvacadvice](https://preview.redd.it/my-thermostat-has-4-wires-coming-from-it-blue-green-red-and-v0-p3gtlcs5hupb1.jpg?auto=webp&s=ca4b8b32cdadf84848b2dde67e6ef33c0f661a5e)
My thermostat has 4 wires coming from it.Blue, green, red, and white. But my air handler has 5 wires. Where does the brown one go? : r/hvacadvice
![Hobart 500578 Multi-Handler 200 & H222106-R19 2-Pound E71T-11 Carbon-Steel Flux-Cored Welding Wire, 0.030-Inch - Amazon.com Hobart 500578 Multi-Handler 200 & H222106-R19 2-Pound E71T-11 Carbon-Steel Flux-Cored Welding Wire, 0.030-Inch - Amazon.com](https://m.media-amazon.com/images/I/51Z53IBRR8L.jpg)
Hobart 500578 Multi-Handler 200 & H222106-R19 2-Pound E71T-11 Carbon-Steel Flux-Cored Welding Wire, 0.030-Inch - Amazon.com
![Hobart 500578 Multi-Handler 200 & H222106-R19 2-Pound E71T-11 Carbon-Steel Flux-Cored Welding Wire, 0.030-Inch - Amazon.com Hobart 500578 Multi-Handler 200 & H222106-R19 2-Pound E71T-11 Carbon-Steel Flux-Cored Welding Wire, 0.030-Inch - Amazon.com](https://m.media-amazon.com/images/I/51Z53IBRR8L._AC_UF894,1000_QL80_.jpg)