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HVAC PROBLEM SOLVER
No Power to Thermostat? Diagnose the Problem with These Easy Tips
Why is the white wire not connected, and the yellow wire is joined to the white connection on my thermostat? : r/hvacadvice
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Am I compatible? There is also an addition yellow wire hidden in the back. Can't find anything referencing 1-4 like this. : r/ecobee
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Thermostat Wiring Explained! How To, Color Coding, Types & More
