OEM Carrier Integrated Furnace Control Board HK42FZ018 for Model PG9YAB036060AAAA

This is the factory OEM Integrated Furnace Control (IFC) board for the Carrier PG9YAB036060AAAA gas furnace. The control board is the central brain of your heating system — it sequences every stage of the ignition cycle, monitors all safety switches and pressure sensors, and orchestrates the blower, inducer, and gas valve. When the IFC board fails, symptoms range from a complete no-heat lockout and repeated ignition failures to erratic blower operation, false fault codes, and unexplained short-cycling. Replacing it with a genuine OEM board restores factory-programmed timing, accurate fault diagnostics, and full compatibility with all connected components.

• Part Numbers: OEM part HK42FZ018 | Cross-references: CEPL130590-01, CEBD430590-10A | Fits Carrier, Bryant, and Payne platform furnaces sharing this control architecture
• OEM vs Generic: OEM boards ship with factory-calibrated timing sequences and fault-code logic. Aftermarket substitutes often use approximated firmware that can misfire lockout sequences, trigger nuisance shutdowns, or reduce component lifespan — especially on multi-stage gas valve and variable-speed blower configurations.
• Install Difficulty: 3/5 — Power down and lock out the furnace at the breaker before beginning. Tools needed: #2 Phillips screwdriver, 1/4" nut driver, needle-nose pliers, phone or camera to document wiring. Transfer all low-voltage harness connectors one at a time to avoid miswiring. Reconnect the flame-sensor wire last and clear any stored fault codes on first startup.
• Warranty: 1-year OEM factory warranty against defects. Ships same business day from our warehouse in original manufacturer packaging.

Compatibility: Designed and factory-matched for the Carrier PG9YAB036060AAAA packaged gas furnace. Also fits select Bryant and Payne models sharing the HK42FZ018 control specification — verify your unit's data plate and existing board part number before ordering. Not sure? Our HVAC parts specialists confirm fitment before your order ships. In stock — order by 3 PM EST for same-day dispatch.