{"product_id":"carrier-control-board-fa4bnf048015aaaa","title":"OEM Carrier Control Board HK42FZ Series for Model FA4BNF048015AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ Series for Model FA4BNF048015AAAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board serves as the electronic command center of the Carrier FA4BNF048015AAAA fan coil unit, managing blower operation, relay switching, safety lockouts, and thermostat communication. It continuously monitors limit and safety switches to ensure safe, reliable system operation. A failing board typically shows up as a system that won't start, intermittent blower function, short-cycling, or repeated diagnostic fault codes. After ruling out power and wiring issues, replacing the board is the standard repair. This is a genuine Carrier replacement built to factory specifications for proper voltage handling and accurate diagnostics on the FA4BNF048015AAAA. Installation is moderate difficulty and best handled by an HVAC technician: disconnect power, photograph the wiring, transfer connectors one at a time, and confirm dip-switch and jumper settings match the original. Plan for 30-45 minutes. A new board restores full system functionality and prevents recurring nuisance faults. We ship same-day on all in-stock orders placed before 3PM CST so your system is back up quickly. Depend on genuine OEM parts for long-term reliability.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FA4BNF048015AAAA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62956054151539,"sku":"carrier-control-board-fa4bnf048015aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fa4bnf048015aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}