OEM Carrier Integrated Furnace Control Board HK42FZ016 / 325878-751 for Model PG9MAA060100ADKA

This is the factory OEM integrated furnace control (IFC) board for the Carrier PG9MAA060100ADKA gas furnace. The IFC board is the brain of your heating system — it sequences the inducer motor, hot surface igniter, gas valve, and blower motor through every call for heat. When the board fails, symptoms range from a complete no-heat lockout and repeated ignition attempts with no flame, to erratic blower behavior, furnace short-cycling, or an unresponsive system with no diagnostic LED activity. The OEM part number HK42FZ016 has been superseded by the updated kit 325878-751, which includes adapter wiring harnesses for seamless installation on both legacy and current board configurations.

• Specs: Input voltage: 98–132 VAC @ 60 Hz | Ignitor output: 5A @ 120 VAC | Cool blower: 30A, 2 HP, 240 VAC | Heat blower: 5A, 1/2 HP, 240 VAC | Inducer motor: 4A @ 120 VAC | Gas valve: 24 VAC | Humidifier: 0.5A @ 24 VAC | Compatible with 24 VAC standard thermostat
• OEM vs Generic: This is the genuine Carrier factory board — not a third-party ICM282 aftermarket substitute. OEM boards carry factory-matched firmware, exact terminal configurations, and proper fault-code LED sequencing for the PG9MAA060100ADKA. Generic boards may have tolerance differences that trigger nuisance lockouts or mismatched blower timing.
• Install difficulty: 3/5 — Power down and tag-out the furnace at the breaker before beginning. Tools needed: 1/4" and 5/16" nut drivers, needle-nose pliers, phone camera (photograph all wiring before disconnecting). The 325878-751 kit includes adapter harnesses for older wiring configurations — use the included diagram. ESD precautions required: ground yourself before handling the board.
• Warranty: 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before 3:00 PM local time.

Compatibility: Directly fits Carrier model PG9MAA060100ADKA single-stage gas furnace. OEM part HK42FZ016 is superseded by kit 325878-751; both part numbers are fulfilled by the current 325878-751 board kit. Also compatible with select Bryant and Payne models sharing the same IFC platform — verify your existing part number on the board label before ordering. Need fitment confirmation? Our HVAC parts specialists verify compatibility before you buy — contact us before placing your order.