Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier transformer supplies the 24V low-voltage power that runs the thermostat, relays, and control board in your FV4CNB006000ABAA fan coil unit. A failed transformer is a leading cause of lost low-voltage control — you'll often see a dead thermostat or a system that ignores heat and cool calls. Installing the correct factory-spec replacement clears the fault and restores normal operation. Built to exact Carrier specifications for the FV4CNB006000ABAA, this transformer matches the original VA rating, mounting, and lead arrangement for a true drop-in fit. The repair is moderate: disconnect power, photograph and label the primary/secondary leads, mount the new unit, reconnect, and test. Cross-check the part against your unit's data plate before installing. Opting for OEM over generic means fewer compatibility issues and a longer, more dependable service life. We keep this transformer in stock and ship same-day on orders placed before 3PM CST, so your HVAC system is back online with minimal downtime.
This part is compatible with Carrier model FV4CNB006000ABAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.