{"product_id":"carrier-pg96vat66120dcaa-control-board-4zd3sc","title":"OEM Carrier Furnace Control Board HK42FZ066 for PG96VAT66120DCAA","description":"\u003ch1\u003eOEM Carrier Furnace Control Board HK42FZ066 for Model PG96VAT66120DCAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Integrated Furnace Control (IFC) board, part number \u003cstrong\u003eHK42FZ066\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PG96VAT66120DCAA\u003c\/strong\u003e 96% AFUE two-stage gas furnace. The control board is the central brain of your furnace — it sequences the inducer motor, hot surface igniter, gas valve, and blower, and monitors all safety switches in real time. When this board fails, you may experience a complete no-heat lockout, repeated ignition failures, erratic blower behavior, a furnace that starts then immediately shuts down, or fault codes flashing on the LED diagnostic display with no clear single-component cause.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e HK42FZ066 (board ID: CEBD431102-04-RA) | Direct OEM successor: HK42FZ094 | Factory-matched to Carrier \u003cstrong\u003ePG96VAT66120DCAA\u003c\/strong\u003e specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM control boards are programmed with Carrier's exact timing sequences, fault-code logic, and safety thresholds. Aftermarket boards often lack model-specific fault diagnostics and can introduce nuisance lockouts or void remaining equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires safely disconnecting 120V and 24V wiring harnesses, photographing all connector positions before removal, and transferring wiring one-to-one to the new board. Tools needed: flat-head and Phillips screwdrivers, 1\/4\" nut driver, multimeter, smartphone for wiring photos. Always shut off the gas and disconnect power at the breaker before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer's warranty. 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 the Carrier \u003cstrong\u003ePG96VAT66120DCAA\u003c\/strong\u003e 96% two-stage gas furnace. Note that HK42FZ066 was discontinued by Carrier in August 2020; the factory-authorized current equivalent is HK42FZ094, which is a drop-in replacement. Verify your existing board's part number on the board label before ordering. Questions about fitment? Our HVAC parts specialists confirm compatibility before every order — call or chat today. \u003cstrong\u003eIn stock — ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642452922739,"sku":"CARRIE-PG96VAT66120DCAA-CONTROL_BOARD-HK42FZ066","price":807.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642452955507,"sku":"CARRIE-PG96VAT66120DCAA-CONTROL_BOARD-HK42FZ066-GEN","price":710.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-HK42FZ066_274f33b4-a790-4cfe-81d3-01e3703edbb2.jpg?v=1775031409","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg96vat66120dcaa-control-board-4zd3sc","provider":"National HVAC Parts","version":"1.0","type":"link"}