{"product_id":"carrier-control-board-fc4bnf042000aaaa","title":"OEM Carrier Control Board Replacement for Model FC4BNF042000AAAA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model FC4BNF042000AAAA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the factory-specified replacement for the FC4BNF042000AAAA fan coil air handler. Serving as the command center of the unit, the control board governs blower operation, fan speed staging, safety limit monitoring, and the signals exchanged with your thermostat. A failed board can cause a blower that won't start, unpredictable fan cycling, no reaction to thermostat calls, or a completely dead air handler. Produced to Carrier's exact firmware and connector layout, this board fits the FC4BNF042000AAAA directly, eliminating the compatibility and wiring issues of generic replacements. This is a moderate-difficulty repair best performed by a licensed HVAC technician: disconnect power, label and photograph every harness connection, move each plug to its matching terminal on the new board, and remount it, usually 30-45 minutes. Double-check all wiring before powering the system back on. Orders placed before 3PM CST ship same-day so your system is restored quickly. Choose this authentic OEM Carrier control board for an exact fit and reliable, long-lasting operation.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNF042000AAAA.\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":62948340007283,"sku":"carrier-control-board-fc4bnf042000aaaa","price":289.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4bnf042000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}