{"product_id":"carrier-pg9uaa042060aasa-control-board-4zd3v2","title":"OEM Carrier Control Board HK42FZ031 for PG9UAA042060AASA","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ031 for Model PG9UAA042060AASA\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement \u003cstrong\u003eintegrated furnace control (IFC) board\u003c\/strong\u003e for the \u003cstrong\u003eCarrier PG9UAA042060AASA\u003c\/strong\u003e gas furnace. The control board is the brain of your furnace — it sequences every stage of operation including inducer start, igniter warm-up, gas valve open, flame sensing, and blower ramp-up. When this board fails, symptoms include hard lockout with no ignition attempt, erratic blower behavior, fault codes that won't clear, or a furnace that simply does nothing when the thermostat calls for heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HK42FZ031 | Integrated Furnace Control (IFC) | 120V input | 24V control circuit output | Compatible with single-stage gas valve and HSI ignition system | Includes diagnostic LED fault code display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, manufactured to exact factory tolerances with pre-loaded firmware. Aftermarket boards may lack proper fault timing calibration, leading to nuisance lockouts or reduced component life — especially on igniter and gas valve sequencing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V supply power before any work begins. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, smartphone (photograph ALL harness connections before removal). Transfer wiring harness plug-by-plug. Restore power and verify ignition sequence on first call for heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly replaces the factory control board in the \u003cstrong\u003eCarrier PG9UAA042060AASA\u003c\/strong\u003e gas furnace (042 = 3.5-ton nominal, 060 = 60,000 BTU\/hr input). Always confirm the part number printed on your existing board's label before ordering to ensure an exact match. Our fitment specialists are available to verify compatibility before you purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642055741811,"sku":"CARRIE-PG9UAA042060AASA-CONTROL_BOARD-HK42FZ031","price":185.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642055774579,"sku":"CARRIE-PG9UAA042060AASA-CONTROL_BOARD-HK42FZ031-GEN","price":162.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ031_073bd5ed-5435-494e-a5db-3c5bcdfcc4d0.jpg?v=1775025320","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9uaa042060aasa-control-board-4zd3v2","provider":"National HVAC Parts","version":"1.0","type":"link"}