{"product_id":"carrier-pg8daa024070adja-control-board-4zd3t7","title":"OEM Carrier Integrated Furnace Control Board HK42FZ016 \/ 325878-751 —","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ016 \/ 325878-751 for Model PG8DAA024070ADJA\u003c\/h1\u003e\u003cp\u003eThis OEM integrated furnace control board (IFC) is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8DAA024070ADJA\u003c\/strong\u003e gas furnace. Originally supplied as \u003cstrong\u003eHK42FZ016\u003c\/strong\u003e and superseded by the updated kit \u003cstrong\u003e325878-751\u003c\/strong\u003e, this microprocessor-based board orchestrates every critical function of your furnace — from inducer startup and hot surface ignition sequencing to blower motor timing, gas valve control, and fault-code diagnostics. When it fails, symptoms include a complete no-heat lockout, furnace starting and immediately shutting down, erratic blower behavior, or a solid\/flashing LED fault code with no call-for-heat response.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input range 98–132 VAC at 60 Hz | Ignitor output: 5A at 120 VAC | Cool blower: 30A \/ 2 HP \/ 240 VAC | Heat blower: 5A \/ 1\/2 HP \/ 240 VAC | Inducer motor: 4A (FLA), 8.0A (LRA) at 120 VAC | Compatible with 24 VAC standard thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM 325878-751 kit ships with factory adapter harnesses for plug-and-play installation, eliminating splicing. Generic boards omit these harnesses, lack factory-calibrated timing sequences, and can introduce nuisance lockouts or unsafe ignition delays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off gas supply and 120V power at the disconnect before starting. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera to photograph all wiring before disconnecting. Static discharge caution required — handle board by edges only. Typical install time: 45–75 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on new board. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for \u003cstrong\u003eCarrier PG8DAA024070ADJA\u003c\/strong\u003e single-stage gas furnaces. Part number 325878-751 is the current OEM successor to HK42FZ016 and includes adapter plug harnesses for legacy wiring configurations. Verify your existing board's part number on the label before ordering — fits fixed-speed Carrier, Bryant, and Payne furnace platforms sharing the HK42FZ series IFC. Questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — same-day shipping available.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643239649651,"sku":"CARRIE-PG8DAA024070ADJA-CONTROL_BOARD-HK42FZ016","price":450.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643239682419,"sku":"CARRIE-PG8DAA024070ADJA-CONTROL_BOARD-HK42FZ016-GEN","price":396.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ016_6a6a1b05-ef6a-4385-906d-4fb114394977.jpg?v=1775036097","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8daa024070adja-control-board-4zd3t7","provider":"National HVAC Parts","version":"1.0","type":"link"}