{"product_id":"carrier-fb4ana030015aaaa-control-board-wmmkjg","title":"OEM Carrier Fan Blower Control Board Kit 322848-751 — FB4ANA030015AAAA","description":"\u003ch1\u003eOEM Carrier Fan Blower Control Board Kit 322848-751 for Model FB4ANA030015AAAA\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 FB4ANA030015AAAA\u003c\/strong\u003e air handler. The control board serves as the central command module for the blower assembly — receiving signals from the thermostat, sequencing fan speeds, managing heating and cooling operation modes, and protecting the system through built-in fault diagnostics. When this board fails, symptoms typically include the blower motor not running at all, erratic or incorrect fan speeds, continuous blower operation that won't shut off, or a full system lockout with no response to thermostat calls.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM part number 322848-751 | Factory Fan Blower Control Board Kit | Designed for Carrier FB4ANA030015AAAA air handler | Multi-speed blower sequencing with integrated fault detection | Direct factory replacement — no modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board, pre-programmed with exact firmware and timing sequences for the FB4ANA030015AAAA platform. Aftermarket boards often lack model-specific calibration, leading to improper blower ramping, incompatible fault codes, and voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V\/240V power at the breaker before servicing. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, a phone or camera to photograph all wiring harness connections before removal. Label each connector carefully. Some boards include a wiring diagram — retain it for reference. If unsure, consult a licensed HVAC technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier FB4ANA030015AAAA\u003c\/strong\u003e air handler. Always cross-reference OEM part number 322848-751 against your unit's data plate and existing board label before ordering to confirm fitment. Multiple board revisions may exist — our team is available to verify compatibility before you purchase. Order today and get your system back online fast with same-day shipping available.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909546168691,"sku":"CARRIE-FB4ANA030015AAAA-CONTROL_BOARD-322848-751","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909546201459,"sku":"CARRIE-FB4ANA030015AAAA-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_f9b0f57d-5050-4ec7-acfe-656fbad3f2c5.jpg?v=1782916807","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fb4ana030015aaaa-control-board-wmmkjg","provider":"National HVAC Parts","version":"1.0","type":"link"}