OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8MAA066135AEJA

This OEM Integrated Furnace Control (IFC) board is the factory-specified replacement for the Carrier PG8MAA066135AEJA gas furnace. The control board is the brain of your heating system — it sequences every stage of operation from inducer startup and igniter warm-up to gas valve opening, flame sensing, and blower motor management. When this board fails, symptoms range from a complete no-heat condition and repeated ignition lockouts to erratic blower behavior, fault code flashing, or furnace shutdown immediately after startup.

• OEM Part Number: HK42FZ034 | Board References: CEPL131012-01 / CEBD431012-01A | Factory-matched to Carrier PG8MAA066135AEJA specifications
• OEM vs Generic: This is a genuine Carrier factory board — not an aftermarket substitute. OEM boards use exact firmware logic and connector pinouts, eliminating compatibility risks that can cause recurring lockouts or improper staging with aftermarket alternatives.
• Install Difficulty: 3/5 — Power down and lock out the furnace at the disconnect before starting. Photograph all wiring connections and document any fault codes currently displayed. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Transfer wires one-by-one from old board to new. Cycle power and confirm normal startup sequence.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse in original Carrier packaging.

Compatibility: Designed specifically for Carrier model PG8MAA066135AEJA gas furnace. Cross-references CEPL131012-01 and CEBD431012-01A board numbers. Verify your existing board's part number label before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy for peace of mind. Order by 3PM local time and your part ships today.