{"product_id":"carrier-pg8uaa066111acja-control-board-4zd3t7","title":"OEM Carrier Integrated Furnace Control Board HK42FZ016 for PG8UAA06611","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ016 for Model PG8UAA066111ACJA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM integrated furnace control (IFC) board for the \u003cstrong\u003eCarrier PG8UAA066111ACJA\u003c\/strong\u003e gas furnace, sold under primary OEM part number \u003cstrong\u003eHK42FZ016\u003c\/strong\u003e and updated kit number \u003cstrong\u003e325878-751\u003c\/strong\u003e. The IFC board is the brain of your furnace — it sequences the inducer motor, hot surface igniter, gas valve, and blower motor through every heating and cooling call. When it fails, symptoms range from complete no-heat lockout and erratic blower operation to ignition attempts that abort mid-cycle. A diagnostic LED on the board flashes fault codes to pinpoint the failure before you replace any part.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input voltage: 98–132 VAC at 60 Hz | Igniter output: 5A at 120 VAC | Cool blower: 30A, 2 HP, 240 VAC | Heat blower: 5A, 1\/2 HP, 240 VAC | Inducer motor: 4A, 120 VAC | Compatible with 24 VAC standard thermostat | Microprocessor-based fixed-speed control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM board — not an ICM282 or third-party clone. OEM boards carry factory-calibrated ignition timing and blower delay profiles matched to the PG8UAA066111ACJA's heat exchanger. Generic boards often use wider component tolerances and may not replicate proprietary fault-code behavior, risking nuisance lockouts or undetected safety faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Photograph all wiring harnesses before disconnecting. Discharge any static before handling the board (ESD-sensitive). The 325878-751 kit includes adapter harnesses for units originally fitted with the older covered-style board. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter for 24V circuit verification. Always cycle power off at the breaker before starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. In-stock and ships same business day from our NationalHVACParts.com warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Factory-specified replacement for Carrier model \u003cstrong\u003ePG8UAA066111ACJA\u003c\/strong\u003e single-stage gas furnace. Also cross-references Bryant and Payne units using the HK42FZ series board. Confirm your existing board's part number against HK42FZ016 or 325878-751 before ordering — if your board carries a different HK42FZ suffix, contact our team for fitment verification. Questions? Our HVAC techs confirm fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642682921331,"sku":"CARRIE-PG8UAA066111ACJA-CONTROL_BOARD-HK42FZ016","price":166.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642682954099,"sku":"CARRIE-PG8UAA066111ACJA-CONTROL_BOARD-HK42FZ016-GEN","price":146.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ016_a32a2d4e-db44-48a5-9b67-ca71496a18ab.jpg?v=1775036116","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8uaa066111acja-control-board-4zd3t7","provider":"National HVAC Parts","version":"1.0","type":"link"}