KWRNVO Power Extender Kit for Ecobee – C-Wire Adapter for Ecobee3 & Lite

Upgrade Your Ecobee with the KWRNVO Power Extender Kit

The KWRNVO Power Extender Kit is designed for homes using Ecobee smart thermostats that want reliable power even when a dedicated C-wire isn’t present. This compact C-wire adapter works with 24-volt AC systems and is compatible with ecobee3, Premium, Enhanced, Essential, Lite, and ecobee4 models, as well as other Smart Thermostats with voice control. By simplifying wiring and removing common power interruptions, this kit helps you keep your thermostat operating in smart, consistent ways.

Whether you’re retrofitting an older installation or upgrading a current setup, this kit provides a clean, unobtrusive solution that works behind the scenes. The result is a neater wiring path, a smaller footprint near the thermostat, and the potential for steadier thermostat control during heating and cooling cycles.

Key benefits

• Universal compatibility with multiple Ecobee models, enabling a straightforward upgrade path for many homes.
• Tool-free installation supported by a QR code that links to a practical setup video.
• Magnetic corner attachments secure the kit to the installation surface, keeping wires tidy.
• Addresses setups missing a C-wire, offering the possibility to use all smart thermostat features more reliably.
• Important compatibility note helps you confirm system requirements before installing.

Installation at a glance

• Compatibility check: 24-volt AC systems without a C-wire; not for heat-only, millivolt, dual-transformer, or high-voltage setups.
• Tool-free wiring: follow the QR-guided video to complete the wiring connection quickly.
• Secure mounting: use the magnetic corners for clean, organized installation.

Real-world use scenarios

Ideal for retrofits, rentals, or renovations where adding a dedicated C-wire is challenging. The kit is designed to help stabilize thermostat power while keeping the installation compact and neat. Users may notice fewer power-related interruptions between thermostat cycles and a cleaner, more organized installation area around the control unit.