OEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8MAA036070AFJA

This is the OEM factory-specified Integrated Furnace Control (IFC) board for the Carrier PG8MAA036070AFJA gas furnace. The control board is the operational brain of your furnace — it sequences the inducer motor, hot surface igniter, gas valve, and blower fan while continuously monitoring safety switches, pressure switches, and flame sensors. When the board fails, symptoms range from a complete no-heat lockout and repeated ignition retries, to erratic blower behavior, false fault codes, or a furnace that simply will not respond to any thermostat call. Inspect the board for burned traces, scorched terminals, or a blown 3-amp fuse as a first diagnostic step before replacement.

• OEM Part Number: HK42FZ034 | Board references: CEPL131012-01 / CEBD431012-01A — factory-matched to Carrier PG8MAA036070AFJA specifications with zero programming required out of the box.
• OEM vs Generic: OEM boards meet exact Carrier Corporation electrical tolerances and timing sequences. Aftermarket boards often carry wider voltage tolerances and non-matching fault code logic, which can cause nuisance lockouts or mask real system faults — risking premature component failure downstream.
• Install Difficulty: 3/5 — Requires shutting off 120V power and gas supply before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone/camera to photograph all wire harness connections prior to removal. Transfer wires one-at-a-time to avoid mis-wiring. A multimeter is recommended to verify 24V control circuit integrity post-install.
• Warranty: 1-year OEM factory warranty against manufacturing defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.

Compatibility: Designed as a direct OEM replacement for Carrier model PG8MAA036070AFJA. Also cross-references Bryant and Payne models sharing the CEPL131012-01 / CEBD431012-01A board revision. Always verify your existing board's part number against HK42FZ034 before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you buy for total peace of mind. In stock and ships today.