{"product_id":"carrier-control-board-fx4anf018000aaaa","title":"OEM Carrier Control Board Replacement for Model FX4ANF018000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FX4ANF018000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board governs every electronic function of your FX4ANF018000AAAA fan coil unit, including blower relay control, time-delay sequencing, safety limit monitoring, and thermostat communication. A failed board can cause no blower operation, intermittent cycling, ignored thermostat calls, or blinking diagnostic fault codes. Installing this exact-fit OEM replacement restores the precise control logic and protective functions your system was engineered with, avoiding the compatibility headaches common with universal aftermarket boards. The connectors, mounting points, and firmware are matched to the FX4ANF018000AAAA for a clean, confident repair. This is a moderately advanced job suited to a licensed HVAC technician: disconnect power at the breaker, document existing wiring with photos, move connections over one at a time, and confirm all dip-switch and jumper positions match the original. Ensure a solid chassis ground to safeguard the electronics. Manufactured to Carrier OEM quality for dependable long-term performance. We have this control board in stock and ready to ship. Order before 3PM CST and it leaves our warehouse same-day so your repair stays on schedule.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FX4ANF018000AAAA.\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":62942899503475,"sku":"carrier-control-board-fx4anf018000aaaa","price":229.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fx4anf018000aaaa.jpg?v=1781468204","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fx4anf018000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}