Help is this hidden blue wire a C wire? can I install without adapter

Ecobee Installation Without C Wire. How to Install Ecobee Thermostat without C Wire? Wireless Installation! The ecobee Smart Thermostat Enhanced and Smart Thermostat Premium can be installed without a C wire by using the Power Extender Kit, or PEK, included in the box I'm updating the thermostats in my house to ‪@ecobee‬ 3 Lite Smart Thermostats

Installing ecobee3 lite without cwire. Opened up to the control panel
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The C wire is an integral component in Ecobee Thermostats, and the Thermostats tend to work irregularly without it If you're lacking a C wire and have at least four wires at your thermostat to work with, the Power Extender Kit (PEK), included with your smart thermostat, can be installed at your furnace control board

Installing ecobee3 lite without cwire. Opened up to the control panel

The C wire is an integral component in Ecobee Thermostats, and the Thermostats tend to work irregularly without it The adapter we mentioned is a very economical method to install your Thermostat without requiring you to wire up the long C wire. A: Yes, all Ecobee models can be installed without a C-wire using the solutions described above

Ecobee Thermostat Without C Wire at Marcus Elder blog. Is there another way to provide power to the Ecobee without the PEK? Alternatively could/should I hire someone to deal with the PEK installation in the attic and how much should something like that cost? A: Yes, all Ecobee models can be installed without a C-wire using the solutions described above

How to Install Ecobee Thermostat without C Wire? Wireless Installation!. Follow the instructions provided with the Power Extender Kit to connect it to the R wire and the appropriate terminals on your HVAC system. The ecobee Smart Thermostat Lite can be installed without a C wire by using the Power Extender Kit, or PEK, sold separately