Ecobee With Only 2 Wires

I currently have 2 wires coming from furnace. ecobee says: based on Ecobee3 + taco zvc404exp + c-wire = ??? — heating help: the wall Wire taco ecobee3 google share

Found these two wires, could it be for the humidifier? : r/ecobee

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My heat-only system only has two or three wires connected to theEcobee heat pump wiring / i need to connect a trane tam7 7 wires to a 6 Ecobee4 wiring diagramWires ecobee humidifier.

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Wiring ecobee with 2 wires in y terminal : r/ecobee .

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Ecobee only turns on if I manually do it. : ecobee

Ecobee3 + Taco ZVC404exp + C-Wire = ??? — Heating Help: The Wall

I currently have 2 wires coming from furnace. Ecobee says: Based on

Ecobee Heat Pump Wiring / I Need To Connect A Trane Tam7 7 Wires To A 6

Found these two wires, could it be for the humidifier? : r/ecobee

ecobee with 2-zones - DoItYourself.com Community Forums

Wiring ecobee with 2 wires in Y terminal : r/ecobee