OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8MAA048090AEJA

This is the OEM Carrier Integrated Furnace Control (IFC) board, part number HK42FZ034, factory-specified for the Carrier PG8MAA048090AEJA gas furnace. The control board is the brain of your furnace — it sequences every heating cycle by coordinating the inducer motor, hot surface igniter, gas valve, flame sensor, and blower motor. When the IFC board fails, symptoms include complete no-heat lockout, furnace that starts then shuts down unexpectedly, error codes flashing on the LED diagnostic light, or intermittent operation that worsens over time. Do not overlook this board if you've already ruled out the igniter, flame sensor, and pressure switch.

• OEM Part Number: HK42FZ034 | Board references: CEPL131012-01 & CEBD431012-01A | Factory-authorized Carrier replacement
• OEM vs Generic: This is a genuine Carrier factory-authorized IFC board, engineered to exact voltage sequencing and timing specifications. Aftermarket boards frequently introduce mis-timed ignition sequences or incompatible fault-code logic, leading to repeat service calls and voided equipment warranties.
• Install Difficulty: 3/5 — Power down and lock out the furnace at the breaker and gas shutoff before beginning. Tools needed: 1/4" & 5/16" nut drivers, needle-nose pliers, phone or camera to photograph all wiring and connector positions prior to removal. Transfer wires one connector at a time to avoid miswiring. Verify LED diagnostic codes on the new board before closing the panel.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3 PM local time.

Compatibility: Designed for the Carrier PG8MAA048090AEJA gas furnace. Also cross-references Carrier, Bryant, and Payne models using board references CEPL131012-01 and CEBD431012-01A — verify your existing board's part number against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy.