Thermostat C-Wire adapter - $8 (Oviedo, FL)

BRAND NEW, ecobee brand C-Wire ("common wire") is required for smart thermostats and wifi thermostats.
It provides continuous power to your thermostat and does not require batteries.
An adapter kit is the best solution for adding a C-Wire to your HVAC system and thermostat.
The adapter gets installed at your HVAC system’s control board.