OEM Carrier Rectifier Control Board HK61EA003 for Model KFCEH0401N03

This is the genuine OEM rectifier control board (part number HK61EA003), factory-specified for the Carrier KFCEH0401N03 electric heat kit. The rectifier control board serves as the central command unit, managing power conversion and sequencing for the electric heating elements. When this board fails, symptoms typically include a complete loss of heating, erratic system behavior, blown fuses, tripped breakers, or persistent fault lockout codes that cannot be cleared by a standard reset.

• Specs: OEM Part Number HK61EA003 | Rectifier control board | Factory-matched voltage and current ratings | Direct drop-in replacement with original wiring harness connectors
• OEM vs Generic: This is a genuine Carrier OEM board, manufactured to exact factory tolerances. Aftermarket boards frequently introduce incompatible logic sequencing, void existing equipment warranties, and may cause nuisance lockouts or premature component failure.
• Install Difficulty: 3/5 — Disconnect all power before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, and camera or phone to document existing wiring. Transfer wiring harnesses one connector at a time to avoid miswiring. A licensed HVAC technician is recommended for electric heat kit repairs.
• Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse.

Compatibility: Designed specifically for the Carrier KFCEH0401N03 electric heat kit. Always verify the OEM part number on your existing board's label before ordering to confirm an exact match. Our fitment team is available to cross-reference your model and serial number prior to purchase. Order today and your part ships the same business day — getting your system back up and running fast.