OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8JAA048110AEJA

This is the OEM factory-specified Integrated Furnace Control (IFC) Board HK42FZ034 for the Carrier PG8JAA048110AEJA packaged gas furnace. The IFC board is the operational brain of your furnace — it sequences the inducer motor, igniter, gas valve, and blower in precise timing, while continuously monitoring pressure switches, limit switches, and the flame sensor for safe operation. When the control board fails, you may experience a furnace that won't ignite, goes into hard lockout, short-cycles, runs the blower non-stop, or displays a diagnostic fault code indicating a board-level failure.

• OEM Part Number: HK42FZ034 | Cross-reference board numbers: CEPL131012-01 / CEBD431012-01A — factory-matched to the Carrier PG8JAA048110AEJA specification
• OEM vs Generic: This is a genuine Carrier Factory Authorized Part engineered to exact Carrier Corporation specifications. Aftermarket boards frequently use off-tolerance components that cause nuisance lockouts, incorrect blower timing, or premature failure — compromising both comfort and system warranty.
• Install Difficulty: 3/5 — Requires disconnecting 10–15 low-voltage and line-voltage connectors. Always label or photograph all wiring harnesses before removal. Power down and confirm zero voltage at the board before handling. Tools needed: Phillips screwdriver, 1/4" nut driver, multimeter, needle-nose pliers.
• Warranty: 1-year OEM manufacturer warranty against defects. Orders placed before 3 PM ship same business day from our climate-controlled warehouse.

Compatibility: Direct OEM replacement for Carrier PG8JAA048110AEJA packaged gas furnace units. Also compatible with select Bryant and Payne models using the CEPL131012-01 / CEBD431012-01A board designation — verify your unit's data plate and existing board part number before ordering. Not sure if this fits? Our HVAC parts specialists verify fitment at no charge — contact us before you buy.