{"product_id":"carrier-fc4bnf048020aaaa-control-board-wmmkjg","title":"OEM Carrier Fan Blower Control Board Kit 322848-751 — FC4BNF048020AAAA","description":"\u003ch1\u003eOEM Carrier Fan Blower Control Board Kit 322848-751 for Model FC4BNF048020AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM fan blower control board kit (part number \u003cstrong\u003e322848-751\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier FC4BNF048020AAAA\u003c\/strong\u003e fan coil air handler. The integrated fan coil control (IFC) board orchestrates every function of your air handler — managing blower motor speeds, communicating with the thermostat, sequencing heating and cooling stages, and triggering fault codes when a component falls out of spec. When this board fails, symptoms typically include a blower that won't start, incorrect fan speeds, intermittent lockouts, erratic thermostat response, or a completely unresponsive system with no heating or cooling output.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number 322848-751 | Carrier Fan Blower Control Board Kit | Compatible with 4-ton FC4BNF048 series fan coil air handlers | Factory-matched control logic and terminal layout for direct drop-in replacement\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. Generic control boards frequently use off-spec relay ratings and firmware that mismatches factory blower profiles, leading to reduced efficiency, premature motor wear, and voided equipment warranties. OEM ensures exact staging behavior and fault code compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, phone or camera to photograph all wiring connections before removal. Transfer wiring harnesses one connector at a time to avoid misrouting. Reset thermostat after installation to clear any stored fault codes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders placed by 3 PM local time ship same business day from our climate-controlled HVAC parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eFC4BNF048020AAAA\u003c\/strong\u003e fan coil air handler. Verify your existing board's part number against \u003cstrong\u003e322848-751\u003c\/strong\u003e before ordering. If your data plate or board label shows a different suffix or revision code, contact our fitment team — we verify compatibility on every order before it ships so you get the right part the first time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909526147443,"sku":"CARRIE-FC4BNF048020AAAA-CONTROL_BOARD-322848-751","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909526180211,"sku":"CARRIE-FC4BNF048020AAAA-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_6ff588d0-749b-4ef3-a5ee-6d40210b74b0.jpg?v=1782916845","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fc4bnf048020aaaa-control-board-wmmkjg","provider":"National HVAC Parts","version":"1.0","type":"link"}