{"product_id":"carrier-control-board-lc748lccsrmyx2100","title":"OEM Carrier Control Board Replacement for Model LC748LCCSRMYX2100","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Control Board Replacement for Model LC748LCCSRMYX2100\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier control board is the electronic command center of your unit, governing ignition sequencing, blower and fan timing, safety lockouts, and thermostat signaling. Supplied as a direct-fit replacement for the Carrier LC748LCCSRMYX2100, it comes factory-programmed with the proper logic and connector arrangement so your system returns to precise, dependable performance. A failing board commonly reveals itself through blinking diagnostic lights, no ignition, an unresponsive blower, or unexpected shutdowns, and a new board resolves those faults right away. Installation is a moderate DIY repair for a confident homeowner or pro: disconnect power, photograph every wiring plug, move the harnesses one at a time to the identical ports, and make sure the dip switches match the original settings. Always discharge static before touching the board. Choosing genuine Carrier electronics preserves your equipment warranty and avoids the compatibility issues that plague universal replacements. In stock and shipping same-day on orders placed before 3PM CST.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model LC748LCCSRMYX2100.\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":62942602002803,"sku":"carrier-control-board-lc748lccsrmyx2100","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-lc748lccsrmyx2100.jpg?v=1781468299","url":"https:\/\/nationalhvacparts.com\/products\/carrier-control-board-lc748lccsrmyx2100","provider":"National HVAC Parts","version":"1.0","type":"link"}