{"product_id":"carrier-control-board-fc4bnb042000aaaa","title":"OEM Carrier Control Board for Model FC4BNB042000AAAA Fan Coil","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board for Model FC4BNB042000AAAA Fan Coil\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier control board is the genuine replacement circuit board for the FC4BNB042000AAAA fan coil unit. The board is the brain of your air handler, managing blower operation, fan timing, safety interlocks, and the signals exchanged with your thermostat and outdoor unit. Symptoms of a failing board include a blower that won't start or won't shut off, no response to thermostat calls, blown fuses, or visible scorching and relay chatter on the board itself. This factory part matches Carrier's original firmware and wiring layout exactly, so your system behaves the way it was engineered to — something aftermarket boards rarely guarantee. It is a direct fit for the FC4BNB042000AAAA. Installation is moderate to advanced and best left to a licensed HVAC technician: cut power, photograph the wiring, transfer connectors to matching terminals, and verify operation. Genuine OEM hardware protects the rest of your control circuit and keeps your warranty valid. We stock this board, and orders placed before 3PM CST ship same-day so your fan coil is back up with minimal downtime.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FC4BNB042000AAAA.\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":62949535908211,"sku":"carrier-control-board-fc4bnb042000aaaa","price":189.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-fc4bnb042000aaaa","provider":"National HVAC Parts","version":"1.0","type":"link"}