OEM Carrier Furnace Control Board HK42FZ013 for Model PG8JAA060155ADJA

This is the factory OEM integrated furnace control (IFC) board for the Carrier PG8JAA060155ADJA gas furnace. The control board is the central brain of your heating system — it sequences every stage of operation including inducer startup, hot surface ignition, gas valve activation, and blower motor management. Common failure symptoms include the furnace locking out after repeated ignition attempts, fault codes flashing on the board's LED indicator, the blower running continuously without heat, or the system failing to respond to thermostat calls entirely.

• Specs: OEM Part Number HK42FZ013 | 24V control circuit compatible | Integrated LED fault-code diagnostics | Factory pre-programmed timing sequences for PG8JAA060155ADJA operation
• OEM vs Generic: This is a genuine Carrier OEM board with factory-matched firmware and relay ratings. Aftermarket boards may lack proper timing calibration, causing nuisance lockouts, voided equipment warranties, or premature component failure downstream.
• Install Difficulty: 3/5 — Disconnect power and gas before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone camera to photograph all wiring harness connections before removal. Transfer connectors one-at-a-time to avoid mis-wiring. Re-enable power only after all connectors are fully seated.
• Warranty: 1-year OEM factory warranty against defects. In-stock and ships same business day from our NationalHVACParts.com warehouse.

Compatibility: Engineered specifically for the Carrier PG8JAA060155ADJA gas furnace. Always cross-reference the part number printed on your existing board before ordering to confirm fitment. Need help verifying compatibility? Our HVAC parts specialists confirm fitment before you buy — contact us before placing your order.