OEM Carrier Integrated Furnace Control Board HK42FZ013 for Model PG8JAA048090ABJA

This is the genuine OEM integrated furnace control (IFC) board for the Carrier PG8JAA048090ABJA packaged gas unit. The control board is the central brain of your furnace — it sequences the inducer motor, hot surface igniter, gas valve, and blower in precise timed stages. When it fails, symptoms include the furnace going into lockout after repeated ignition attempts, erratic blower behavior, fault codes flashing on the board LED, or a complete no-heat, no-response condition even with 24V power present at the thermostat.

• Specs: OEM Part No. HK42FZ013 | Integrated furnace control (IFC) board | 120V input / 24V control circuit | Factory-programmed timing sequences for inducer pre-purge, ignition trial, and blower off-delay
• OEM vs Generic: This is the exact factory board with pre-programmed timing and diagnostics engineered for the PG8JAA048090ABJA. Aftermarket boards often use generic timing profiles that can cause nuisance lockouts, void remaining equipment warranties, and fail prematurely under cycling loads.
• Install Difficulty: 3/5 — Requires disconnecting 120V power and discharging any capacitors before service. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, multimeter, phone/camera to photograph all wiring harness connections before removal. Label every connector. Recommend professional installation if unfamiliar with furnace wiring.
• Warranty: 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.

Compatibility: Engineered as the direct OEM replacement for Carrier model PG8JAA048090ABJA packaged gas furnace/air handler units. Always verify your existing board's part number printed on the board label against HK42FZ013 before ordering. Cross-reference your unit's data plate for voltage and model confirmation. Have questions about fitment? Our HVAC parts specialists verify compatibility before you order — contact us before purchasing.