“Dows this thermostat have both a b and an o connection. We are replacing an Aprillaire multi function stat with 8 wires. we have a geo source heat pump with a furnace back up. Honeywell Resideo will not work correctly.”

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• Yes.

  Answered by rmgjr 5 years ago

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• Let's take a closer look at this together! Please send an email to support@ecobee.com with a photo of your current wiring. ecobee3 lite does include an O/B connection.

  Answered by ecobee 6 years ago

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