4iE Smart WiFi Thermostat

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Can I swap my 3iE to a 4iE or Tempo?


Yes. The box and mounting requirements are identical for all horizontal Warmup thermostats and the sensor is compatible.

If you’d like to swap a 3iE for a 4iE or Tempo thermostat you will need to consult with a qualified electrician, as it requires handling line voltage wires when disconnecting and reconnecting.

4iE swap

If there are wiring questions we hope the below video will answer them for you. If not contact us.

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