OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8JAA060090AEJA

This is the OEM Integrated Furnace Control (IFC) board — part number HK42FZ034 — factory-specified for the Carrier PG8JAA060090AEJA gas furnace. The IFC board is the central command module of your furnace: it sequences the inducer motor, manages hot surface ignition, monitors the flame sensor, reads all limit and pressure switches, and governs blower timing for both heating and cooling modes. When it fails, the results range from hard no-heat lockouts and erratic short-cycling to LED fault codes indicating failed ignition attempts or open safety circuits. Inspect the board for signs of burn marks, a blown fuse, or a shorted component before condemning it — but when the board is confirmed faulty, this OEM replacement restores full factory sequencing and protection logic immediately.

• OEM Part Number: HK42FZ034 | Cross-references: CEPL131012-01, CEBD431012-01A | Factory Authorized Carrier replacement
• OEM vs Generic: Carrier Factory Authorized boards meet exact Carrier Corporation specifications for timing sequences, fault detection thresholds, and connector pinout — aftermarket boards frequently introduce fan cycling errors, false lockouts, and shortened system life.
• Install Difficulty: 3/5 — Disconnect power and gas before servicing. Photograph all wire harness connections before removal. Transfer wires one connector at a time to avoid miswiring. Tools needed: #2 Phillips screwdriver, 1/4" nut driver, smartphone camera, multimeter. Allow 30–60 minutes for a careful swap.
• Warranty: 1-year OEM factory warranty on parts. Ships same business day from our warehouse — back to heat fast.

Compatibility: Engineered for the Carrier PG8JAA060090AEJA packaged gas furnace. Also fits select Bryant and Payne models sharing the CEBD431012-01A board designation — verify your existing board's part number on the label before ordering. Our fitment team is available to confirm compatibility prior to purchase. Order now and ship today.