{"product_id":"carrier-pg80vtla66110caa-control-board-4zd3mt","title":"OEM Carrier Integrated Furnace Control Board HK42FZ081 — PG80VTLA66110","description":"\u003ch1\u003eOEM Carrier Integrated Furnace Control Board HK42FZ081 for Model PG80VTLA66110CAA\u003c\/h1\u003e\u003cp\u003eThis is the OEM Carrier Integrated Furnace Control Board (IFC), part number \u003cstrong\u003eHK42FZ081\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PG80VTLA66110CAA\u003c\/strong\u003e 80% AFUE gas furnace. The IFC board is the brain of your furnace — it sequences every critical operation including inducer startup, hot surface ignition, gas valve firing, blower motor staging, and all safety-circuit monitoring. When it fails, the symptoms range from a hard no-heat lockout and flashing fault codes, to erratic blower behavior, ignition that never completes, or a furnace that trips the safety limit and shuts down within seconds of starting. Replacing the control board with the correct OEM part restores factory-programmed timing, safety thresholds, and diagnostic LED flash codes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number \u0026amp; Specs:\u003c\/strong\u003e OEM Part # HK42FZ081 | Carrier Integrated Furnace Control (IFC) | 24V control circuit | Factory Authorized Parts — Replacement Components Division, Carrier Corporation | Board dimensions approx. 7\" L × 8\" W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry exact factory-programmed ignition trial timing, blower off-delay profiles, and fault-code sequences matched to your PG80VTLA66110CAA. Aftermarket boards often use generic timing tables that can shorten equipment life or mask underlying fault conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Transfer the model plug from the old board to the new one — the model plug is not included. Recommend verifying all 24V safety circuits (pressure switch, limit switch, flame sensor) before power-up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse in original manufacturer packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement control board for the \u003cstrong\u003eCarrier PG80VTLA66110CAA\u003c\/strong\u003e 80% AFUE packaged gas furnace. Note: HK42FZ081 has been superseded by Carrier part \u003cstrong\u003eHK42FZ094\u003c\/strong\u003e — if the original HK42FZ081 is unavailable, HK42FZ094 is the factory-authorized direct drop-in replacement. Always verify your unit's data plate and wiring diagram before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — in stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643250299251,"sku":"CARRIE-PG80VTLA66110CAA-CONTROL_BOARD-HK42FZ081","price":386.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643250332019,"sku":"CARRIE-PG80VTLA66110CAA-CONTROL_BOARD-HK42FZ081-GEN","price":340.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ081_1de82809-ec76-434c-8cb4-7b39b5a923b6.jpg?v=1775036288","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg80vtla66110caa-control-board-4zd3mt","provider":"National HVAC Parts","version":"1.0","type":"link"}