{"product_id":"carrier-fb4ana048015aaaa-control-board-wmmkjg","title":"OEM Carrier Fan Blower Control Board Kit 322848-751 — FB4ANA048015AAAA","description":"\u003ch1\u003eOEM Carrier Fan Blower Control Board Kit 322848-751 for Model FB4ANA048015AAAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement fan blower control board kit (part number \u003cstrong\u003e322848-751\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier FB4ANA048015AAAA\u003c\/strong\u003e air handler. The blower control board is the central brain of your air handler — it regulates blower motor speed, manages multi-stage airflow, coordinates with the thermostat signal, and monitors safety inputs. When this board fails, common symptoms include the blower motor not starting at all, incorrect or erratic fan speeds, continuous blower operation that won't shut off, or a complete system lockout with no response to thermostat commands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number 322848-751 | Fan Blower Control Board Kit | Designed for Carrier FB4ANA048015AAAA air handler | 4-ton, multi-speed blower control | Factory-programmed timing and speed profiles pre-loaded\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, not an aftermarket substitute. OEM boards arrive with factory-correct firmware, terminal labeling, and component tolerances — eliminating the guesswork and potential wiring mismatches common with third-party replacements. Generic boards may require manual jumper configuration and can void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V power and discharging any stored voltage before work begins. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, and a multimeter for input voltage verification. Photograph all wire harness connections before removal. Label terminals if wire colors are duplicated. Basic wiring knowledge recommended; consult a licensed HVAC technician if unsure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This board is factory-matched to the Carrier \u003cstrong\u003eFB4ANA048015AAAA\u003c\/strong\u003e air handler. Always verify your existing board's part number (printed on the board label) against \u003cstrong\u003e322848-751\u003c\/strong\u003e before ordering to confirm fitment. Have questions about compatibility? Our HVAC parts specialists verify fitment before you buy — reach out before placing your order and we'll confirm this is the right board for your unit.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909545611635,"sku":"CARRIE-FB4ANA048015AAAA-CONTROL_BOARD-322848-751","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909545644403,"sku":"CARRIE-FB4ANA048015AAAA-CONTROL_BOARD-322848-751-GEN","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fan-322848-751_2692983a-3eee-4b4e-9419-c6e79fa56996.jpg?v=1782916809","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fb4ana048015aaaa-control-board-wmmkjg","provider":"National HVAC Parts","version":"1.0","type":"link"}