Use the power extender kit to simplify your ecobee installation. A common wire (c) is required for 5-wire thermostats. If there are only 4 wires to your existing THERMOSTAT, you can use the ecobee power extender kit to power...

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Product Review

Use the power extender kit to simplify your ecobee installation. A common wire (c) is required for 5-wire thermostats. If there are only 4 wires to your existing THERMOSTAT, you can use the ecobee power extender kit to power your THERMOSTAT instead of running another wire as the common (c) wire.

  • Installs in place of a running 'C' common wire
  • Simplifies 4-wire installs
  • Compatible with smart si and ems si only

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