{"product_id":"carrier-pg8maa042090aaja-control-board-4zd3ta","title":"OEM Carrier Furnace Control Board HK42FZ013 — PG8MAA042090AAJA","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ013 for Model PG8MAA042090AAJA\u003c\/h1\u003e\u003cp\u003eThis OEM integrated furnace control (IFC) board is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8MAA042090AAJA\u003c\/strong\u003e 80% AFUE gas furnace. The control board is the brain of your furnace — it sequences every stage of operation including inducer startup, hot surface ignition, gas valve activation, and blower motor control. When it fails, you may experience hard lockouts, no-heat conditions, erratic ignition sequencing, continuous blower operation, or fault codes flashing on the LED diagnostic indicator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HK42FZ013 | 24V control circuit | Compatible with single-stage gas valve operation | Onboard diagnostic LED fault code display | Factory-matched terminal layout for drop-in replacement\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 specifications. Generic aftermarket boards often lack precise timing calibration and may not support all diagnostic fault codes, leading to misdiagnosis and callbacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and shut off gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring connections before removal. Label every wire harness prior to disconnecting. Board swap is straightforward but wiring accuracy is critical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003ePG8MAA042090AAJA\u003c\/strong\u003e 80% AFUE single-stage gas furnace. Always verify the OEM part number on your existing board's label before ordering to confirm fitment. Our technical team is available to verify compatibility — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643047072115,"sku":"CARRIE-PG8MAA042090AAJA-CONTROL_BOARD-HK42FZ013","price":181.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643047104883,"sku":"CARRIE-PG8MAA042090AAJA-CONTROL_BOARD-HK42FZ013-GEN","price":159.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ013_bc52b8c0-c65f-4423-8aca-315ec851e388.jpg?v=1775031335","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa042090aaja-control-board-4zd3ta","provider":"National HVAC Parts","version":"1.0","type":"link"}