{"product_id":"carrier-pg8maa036045afja-control-board-4zd3uz","title":"OEM Carrier Integrated Furnace Control Board for PG8MAA036045AFJA","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ034 for Model PG8MAA036045AFJA\u003c\/h1\u003e\u003cp\u003eThis OEM Integrated Furnace Control (IFC) board is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8MAA036045AFJA\u003c\/strong\u003e 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, blower timing, and fault code diagnostics. When this board fails, symptoms range from a complete no-heat lockout and continuous fault code blinking to erratic ignition cycling, blower running continuously, or the furnace refusing to advance past the inducer stage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number HK42FZ034 | Integrated Furnace Control (IFC) board | 24V control circuit | Compatible with single-stage gas valve operation | Factory 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, programmed to exact factory timing sequences and safety thresholds. Aftermarket boards often use generic firmware that can alter blower-off delays, lockout retry counts, and pressure switch debounce timing — all of which affect comfort, efficiency, and safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting line-voltage and low-voltage wiring harnesses. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring connections before removal. Always shut off the furnace disconnect and gas supply before beginning. Verify all harness connectors click fully into place on reinstall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse when ordered before 3PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier model PG8MAA036045AFJA\u003c\/strong\u003e gas furnaces. Verify your existing board's part number on the board label or unit data plate before ordering. If you are unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643070206323,"sku":"CARRIE-PG8MAA036045AFJA-CONTROL_BOARD-HK42FZ034","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643070239091,"sku":"CARRIE-PG8MAA036045AFJA-CONTROL_BOARD-HK42FZ034-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-HK42FZ034_2ef14271-b6d7-4e50-8e0a-a0c9f8bd65cd.jpg?v=1775036039","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa036045afja-control-board-4zd3uz","provider":"National HVAC Parts","version":"1.0","type":"link"}