OEM Carrier Furnace Control Board HK42FZ013 for Model PG9MAB048080LBSA

The Carrier HK42FZ013 is the factory integrated furnace control (IFC) board for the PG9MAB048080LBSA gas furnace. This microprocessor-based board is the brain of your heating system — it orchestrates every stage of the ignition sequence, monitors all safety switches and sensors, and commands the gas valve, inducer motor, hot surface igniter, and blower motor in precise coordination. When this board fails, symptoms range from a complete no-heat lockout and repeated ignition retry faults to erratic blower behavior, false pressure switch trips, or a furnace that starts and immediately shuts down. If your furnace is throwing a fault code or simply won't respond to the thermostat, the control board is the first major component to diagnose.

• Specs: 24VAC control circuit | Line voltage: 98–132 VAC at 60 Hz | Ignitor output: 5A at 120 VAC | Cool blower: 30A, 2 HP, 240 VAC | Inducer motor: 4A at 120 VAC | Gas valve: 1.5A at 30 VAC | OEM part number: HK42FZ013 | Cross-reference: CEPL130438-01, CEBD430438
• OEM vs Generic: This is the factory-matched OEM board, ensuring exact connector pinouts, firmware timing sequences, and safety interlock logic native to the PG9MAB048080LBSA. Generic aftermarket boards may require wiring harness adapters and can introduce timing mismatches that trigger nuisance lockouts or void equipment warranties.
• Install difficulty: 3/5 — Disconnect power and gas before beginning. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, multimeter, smartphone (to photograph all wiring before disconnecting). Transfer wires one at a time to avoid miswiring. Restore power and run a full heat cycle to verify all stages.
• Warranty: 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.

Compatibility: Fits Carrier model PG9MAB048080LBSA gas furnace. Also cross-references OEM part numbers HK42FZ034, HK42FZ007, HK42FZ008, HK42FZ009, HK42FZ011, and HK42FZ016 within compatible Carrier, Bryant, and Payne furnace platforms. Always verify your existing board's part number against your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy.