{"product_id":"carrier-control-board-fb4anf018005afaa","title":"OEM Carrier Control Board HK42FZ for Model FB4ANF018005AFAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board HK42FZ for Model FB4ANF018005AFAA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board governs the electronics of your FB4ANF018005AFAA fan coil air handler, coordinating blower startup, fan speed staging, and built-in safety protection. A faulty board often shows up as a unit that won't power on, intermittent blower operation, or erratic fan behavior. This genuine Carrier replacement is built to factory tolerances, guaranteeing accurate signaling between the thermostat, blower motor, and heat strips. Because it's matched specifically to the FB4ANF018005AFAA, you get a true direct fit with no harness adapting or board reprogramming. Installation difficulty is moderate—an experienced DIYer who can safely cut power and transfer wiring connectors can handle it in about an hour, but a licensed HVAC pro is recommended to preserve warranty coverage. Installing the proper OEM board safeguards your air handler against electrical faults and keeps efficiency where it should be. We keep this part in stock and ship same-day on orders placed before 3PM CST, getting your system back online quickly. Trust genuine Carrier components for lasting reliability.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FB4ANF018005AFAA.\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":62954159341939,"sku":"carrier-control-board-fb4anf018005afaa","price":186.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fb4anf018005afaa","provider":"National HVAC Parts","version":"1.0","type":"link"}