{"product_id":"carrier-fb5anf048000aaaa-control-board-wmmkjg","title":"OEM Carrier Fan Blower Control Board Kit 322848-751 — FB5ANF048000AAAA","description":"\u003ch1\u003eOEM Carrier Fan Blower Control Board Kit 322848-751 for Model FB5ANF048000AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM replacement fan blower control board kit (part number \u003cstrong\u003e322848-751\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier FB5ANF048000AAAA\u003c\/strong\u003e fan coil air handler. The integrated fan coil control (IFC) board is the nerve center of your air handler — it sequences blower operation, manages multi-speed motor control, interprets thermostat signals, and coordinates with the outdoor unit for both heating and cooling modes. When this board fails, symptoms range from a blower that won't run at all, to a unit stuck on one speed, to intermittent short-cycling or complete system lockout. Replacing with a factory-matched OEM board ensures all logic, timing sequences, and motor speed profiles are calibrated exactly to your unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number 322848-751 | Factory-matched for Carrier FB5ANF048000AAAA air handler | Full multi-speed blower control logic | 24V control circuit compatible | Includes all mounting hardware per kit specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM control boards carry factory-programmed firmware specific to your model's blower motor speed taps, delay-on and delay-off timing, and fault diagnostics. Aftermarket boards often require manual DIP-switch configuration and may not replicate all fault codes, leading to misdiagnosis and callbacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone or camera to photograph all wiring before removal. Always disconnect power at the breaker before servicing. Allow capacitors on board to discharge before handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. 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 Designed specifically for the Carrier \u003cstrong\u003eFB5ANF048000AAAA\u003c\/strong\u003e fan coil air handler. Verify your existing board's part number against \u003cstrong\u003e322848-751\u003c\/strong\u003e before ordering. If you are unsure of fitment, our HVAC parts specialists can confirm compatibility using your model and serial number before you purchase — no guesswork, no returns.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909532701043,"sku":"CARRIE-FB5ANF048000AAAA-CONTROL_BOARD-322848-751","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909532733811,"sku":"CARRIE-FB5ANF048000AAAA-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_ebd68596-f5fa-43fb-89f3-43b263911eb2.jpg?v=1782916827","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fb5anf048000aaaa-control-board-wmmkjg","provider":"National HVAC Parts","version":"1.0","type":"link"}