OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8JAA066110AFJA

This is the factory OEM Integrated Furnace Control (IFC) board for the Carrier PG8JAA066110AFJA gas furnace, sold under Carrier part number HK42FZ034 (board references CEPL131012-01 / CEBD431012-01A). The IFC board is the central brain of your furnace — it sequences every stage of operation: inducer startup, igniter warm-up, gas valve opening, flame sensing, and blower motor staging. When it fails, symptoms range from a complete no-heat lockout and repeated ignition attempts to erratic short-cycling, fault LED codes, or blower motor running continuously with no heat output.

• OEM Part Number: HK42FZ034 | Board Ref: CEPL131012-01 / CEBD431012-01A | Factory-authorized replacement for Carrier, Bryant, and Payne furnaces sharing this control platform
• OEM vs Generic: This is a genuine Carrier factory-authorized board engineered to exact OEM specifications — not an aftermarket clone. OEM boards preserve factory diagnostic LED codes, precise timing sequences, and full compatibility with all connected safety switches, protecting your warranty and system longevity.
• Install Difficulty: 3/5 — Requires disconnecting 120V line power before service. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, smartphone (photograph all wiring harness connections before removal). Transfer one connector at a time to avoid miswiring. Confirm all fault codes are cleared after installation.
• Warranty & Shipping: 1-year OEM factory warranty against defects. In stock and ships same business day from our warehouse — get your heat back fast.

Compatibility: Direct OEM replacement for the Carrier PG8JAA066110AFJA gas furnace. Also cross-references to Bryant and Payne models sharing the HK42FZ034 / CEPL131012-01 control platform. Always verify your existing board's part number on the label before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today.