Make any home an ecobee Smart Thermostat home with the Power Extender Kit (PEK) – a cost-effective and efficient solution for homes without a common wire (C-wire). Not sure if you need a PEK? Visit ecobee.com/compatibility to find out.
Q: What type of systems is the Power Extender Kit compatible with?
A: The Power Extender Kit is designed for use with 24 VAC systems only and is not compatible with millivolt, high voltage systems, dual transformer, fan coil, or communicating units.
Q: How do I know if I need the Power Extender Kit for my home?
A: You can visit ecobee.com/compatibility to determine if your home requires the Power Extender Kit.
Q: Does the Power Extender Kit work with all ecobee thermostats?
A: The Power Extender Kit is designed to work exclusively with ecobee Smart Thermostats.
Q: How is the Power Extender Kit installed?
A: The Power Extender Kit has a magnetic backing, allowing for easy mounting near the control board.
Q: Are any tools required for the installation of the Power Extender Kit?
A: No, the Power Extender Kit comes with everything you need for installation and requires no additional tools.
Q: What is the ecobee Power Extender Kit used for?
A: The ecobee Power Extender Kit is a cost-effective solution for homes that do not have a common wire (C-wire) but want to use an ecobee smart thermostat.
A: Thanks for reaching out. Our Power Extender Kit is only compatible with ecobee smart thermostats.
A: Thanks for reaching out! It sounds like you may have a heat-only system, if you only have two wires. If this is the case, the PEK is not compatible, our PEK requires a "Y" wire, which connects to a compressor. We'd love to support you further with this! Can you reach out so we can determine the best solution for creating a "C" connection, which will be required to use an ecobee. You can give us a call at 1-877-932-6233 (or 647-428-2220 if you’re outside North America). Our team is also online Monday to Friday from 8 am to 11 pm EST, Saturday and Sunday from 9am to 9pm EST to answer your questions at https://support.ecobee.com/s/contactsupport
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Make any home an ecobee Smart Thermostat home with the Power Extender Kit (PEK) – a cost-effective and efficient solution for homes without a common wire (C-wire). Not sure if you need a PEK? Visit ecobee.com/compatibility to find out.

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| There were no pros for this product— | There were no pros for this product— | ||
| Cons for Power Extender Kit (PEK) – C-wire adapter for ecobee Smart Thermostats - White | |||
| There were no cons for this product— | There were no cons for this product— |
