OEM Carrier Fan Blower Control Board HK61EA002 for Model FC4BNB070000AGAA

This is the OEM factory-specified fan blower control board (part number HK61EA002) for the Carrier FC4BNB070000AGAA air handler. The blower control board is the nerve center of your air handler — it manages blower motor speed, timing delays, and communicates with the thermostat to coordinate heating, cooling, and continuous fan operation. When this board fails, you may experience a blower that won't start, a fan that runs continuously regardless of thermostat commands, erratic multi-speed operation, or a complete system lockout with no response to any call for heating or cooling.

• Specs: OEM part number HK61EA002 | Designed for Carrier FC4BNB070000AGAA air handler | Controls multi-speed ECM or PSC blower motor operations | Factory-matched terminal layout for direct plug-and-play replacement
• OEM vs Generic: This is a genuine Carrier OEM board, programmed with the exact timing delays, fault detection logic, and motor control parameters specified for your unit. Aftermarket boards may use generic firmware that causes improper ramp-up timing, missed fault codes, or reduced motor lifespan — all of which can void equipment warranties.
• Install difficulty: 3/5 — Disconnect power at the breaker and confirm zero voltage before touching any terminals. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter, and a smartphone for photographing all wire connections prior to removal. Label every connector before disconnecting. Installation typically takes 30–60 minutes for an experienced DIYer or technician.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our climate-controlled warehouse in original manufacturer packaging.

Compatibility: Engineered specifically for the Carrier FC4BNB070000AGAA air handler. Verify your existing board's part number against HK61EA002 before ordering. If you are unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you purchase — we'd rather take a minute to verify than have you receive the wrong part. Order now and your board ships today.