{"product_id":"carrier-n6d48ng480103-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for N6D48NG480103","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model N6D48NG480103\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier N6D48NG480103\u003c\/strong\u003e packaged gas unit. The DSI control board is the brain of your furnace or packaged system's heating operation — it sequences the inducer motor, manages ignition spark timing, monitors flame sensing, and controls the gas valve. When this board fails, you may experience a complete no-heat condition, repeated ignition lockout faults, erratic cycling, or an inducer that runs continuously without ever attempting ignition. Replacing the board with a genuine OEM unit restores factory-calibrated timing and safety logic.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) board | OEM Part Number LH33WP002 | 24V control circuit compatible | Orchestrates inducer, spark, gas valve, and blower sequencing | Includes onboard diagnostic fault LED indicators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards are programmed with exact ignition timing, flame-sensing thresholds, and safety lockout parameters for the N6D48NG480103. Aftermarket boards often use generic timing profiles that can cause nuisance lockouts, premature safety trips, or — in worst cases — unsafe ignition behavior.\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: 1\/4\" nut driver, Phillips screwdriver, needle-nose pliers, and a multimeter to verify 24V supply before installation. Photograph or label all wiring connections before removal. Power down and lock out the unit at the disconnect before beginning work.\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.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This board is the direct OEM replacement for \u003cstrong\u003eCarrier model N6D48NG480103\u003c\/strong\u003e packaged gas units using DSI ignition. Always verify the part number LH33WP002 against your existing board's label before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you buy if you have any questions. Order now for same-day shipping and get your system back on heat fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909266461043,"sku":"CARRIE-N6D48NG480103-CONTROL_BOARD-LH33WP002","price":590.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909266493811,"sku":"CARRIE-N6D48NG480103-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-LH33WP002-1-1784496095094.jpg?v=1784496096","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6d48ng480103-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}