{"product_id":"carrier-n6a48ng481454-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for N6A48NG481454","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model N6A48NG481454\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier N6A48NG481454\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board is the operational brain of your heating system — it sequences the inducer motor, spark igniter, gas valve, and flame verification on every call for heat. When this board fails, common symptoms include a complete no-heat condition, repeated ignition lockout codes, failure to prove flame, erratic cycling, or a system that sparks but never lights the burner. Diagnosing a faulty DSI board early prevents cascading damage to other components such as the gas valve or heat exchanger.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e | Direct Spark Ignition (DSI) control logic | 24V control circuit compatible | Factory-programmed timing sequences for ignition trial, lockout, and retry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not a third-party substitute. OEM boards carry factory-programmed ignition timing and fault logic specific to the \u003cstrong\u003eN6A48NG481454\u003c\/strong\u003e. Aftermarket boards may use universal timing that causes nuisance lockouts, voided warranties, or unsafe ignition delays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage connectors, labeling all wiring harnesses before removal, and verifying DIP switch or jumper settings match the original board. Recommended tools: flathead and Phillips screwdrivers, needle-nose pliers, phone camera for wiring documentation, and a multimeter to confirm 24V input before powering up. A qualified HVAC technician is recommended.\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 3 PM EST.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the \u003cstrong\u003eCarrier N6A48NG481454\u003c\/strong\u003e packaged unit. Verify your existing board's part number against \u003cstrong\u003eLH33WP002\u003c\/strong\u003e before ordering. If your data plate or existing board shows a different suffix, contact our parts team — we verify fitment at no charge before your order ships. Don't let a no-heat call wait: order now and receive fast, same-day shipping direct to your door or jobsite.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909279306099,"sku":"CARRIE-N6A48NG481454-CONTROL_BOARD-LH33WP002","price":590.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909279338867,"sku":"CARRIE-N6A48NG481454-CONTROL_BOARD-LH33WP002-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-furnace-LH33WP002-1-1784496186992.jpg?v=1784496188","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6a48ng481454-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}