OEM Carrier Fan Blower Control Board Kit 322848-751 for Model FC4BNF042008AAAA

This is the factory OEM replacement fan blower control board kit (part number 322848-751) for the Carrier FC4BNF042008AAAA fan coil air handler. The integrated fan coil control (IFC) board serves as the command center for your air handler — managing blower motor speeds, sequencing heating and cooling calls from the thermostat, monitoring safety inputs, and coordinating with your outdoor condensing unit. When this board fails, common symptoms include the blower motor not running at all, the system running continuously without shutting off, erratic fan speeds, unresponsive thermostat calls, or a flashing fault code on the board's diagnostic LED.

• Specs: OEM part number 322848-751 | Fan Blower Control Board Kit | Designed for Carrier FC4BNF042008AAAA fan coil air handler | Factory-matched voltage, relay, and terminal configuration | Includes all mounting hardware and wiring connectors per kit designation
• OEM vs Generic: This is a genuine Carrier OEM board — not an aftermarket clone. OEM boards carry exact firmware, relay ratings, and terminal layouts matched to your unit's schematics, eliminating the risk of mismatched logic sequences or premature relay failure common with generic substitutes.
• Install difficulty: 3/5 — Requires comfort with control wiring. Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone or camera to photograph all wiring connections before removal. Label every wire before disconnecting. Refer to the unit's wiring diagram located inside the access panel.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our climate-controlled warehouse.

Compatibility: Engineered specifically for the Carrier FC4BNF042008AAAA fan coil air handler. Verify your existing board's part number against 322848-751 before ordering. If you need fitment confirmation, our HVAC parts specialists can cross-reference your model and serial number before you purchase — no guesswork required. Order today and receive same-day shipping on all in-stock control boards.