The NEW Ecobee Power Extender Kit PEK Common Wire Replacement 810-00002 is a component designed specifically for Ecobee thermostats. This kit includes the necessary items to extend the power supply and is a replacement for the common wire. Made by the trusted brand Ecobee, this model ensures compatibility and reliability for your heating and cooling systems. Perfect for those looking to upgrade or repair their thermostat with a trusted and high-quality component.