{"product_id":"carrier-pg8uaa024065acja-control-board-4zd3t7","title":"OEM Carrier Integrated Furnace Control Board for PG8UAA024065ACJA","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ016 for Model PG8UAA024065ACJA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Integrated Furnace Control (IFC) board for the \u003cstrong\u003eCarrier PG8UAA024065ACJA\u003c\/strong\u003e packaged gas\/electric unit. Supplied under OEM part number \u003cstrong\u003eHK42FZ016\u003c\/strong\u003e (also referenced as kit part \u003cstrong\u003e325878-751\u003c\/strong\u003e), this board is the central nervous system of your furnace — orchestrating the ignition sequence, gas valve timing, inducer and blower motor operation, pressure switch monitoring, and all safety lockout logic. When this board fails, symptoms range from a complete no-heat condition and repeated ignition lockout to erratic blower behavior, constant fault codes, or a furnace that starts briefly then shuts down unexpectedly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Carrier Integrated Furnace Control Board | Part Numbers: HK42FZ016 \/ 325878-751 | 120VAC input | 24VAC control circuit | Compatible with single-stage gas valve and HSI igniter configuration | Factory-programmed timing and lockout logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board with factory-calibrated ignition timing, blower off-delays, and fault code sequences. Aftermarket boards often ship with generic default timing profiles that can cause nuisance lockouts, reduce heat exchanger life, or void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120VAC power and discharging any residual voltage before removal. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness positions before disconnection. Label every connector. A multimeter is recommended to verify 24VAC control circuit integrity after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-matched for the \u003cstrong\u003eCarrier PG8UAA024065ACJA\u003c\/strong\u003e packaged gas\/electric unit. Cross-reference your existing board's part number (HK42FZ016 or 325878-751) against your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — reach out before placing your order and we'll confirm compatibility fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642825920883,"sku":"CARRIE-PG8UAA024065ACJA-CONTROL_BOARD-HK42FZ016","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642825953651,"sku":"CARRIE-PG8UAA024065ACJA-CONTROL_BOARD-HK42FZ016-GEN","price":170.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ016_26728e8a-eeae-4279-96ab-721a3a179660.jpg?v=1775036042","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8uaa024065acja-control-board-4zd3t7","provider":"National HVAC Parts","version":"1.0","type":"link"}