{"product_id":"carrier-n6d48ng480106-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for N6D48NG480106","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model N6D48NG480106\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier N6D48NG480106\u003c\/strong\u003e packaged unit. The DSI control board serves as the brain of the heating system — it sequences the inducer motor, spark ignition, gas valve operation, and safety circuit monitoring. When this board fails, common symptoms include a complete no-heat lockout, repeated failed ignition attempts with no spark, the unit cycling on and off without establishing flame, or error codes that persist even after resetting the system. Replacing with the correct OEM board ensures all timing sequences, safety thresholds, and fault detection logic match Carrier's factory specifications exactly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) board | OEM Part Number: \u003cstrong\u003eLH33WP002\u003c\/strong\u003e | 24V control circuit compatible | Integrated fault lockout and diagnostic LED indicators | Factory-matched timing sequences for inducer pre-purge, ignition trial, and flame proving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM control boards use factory-programmed microcontrollers with exact ignition timing and safety lockout thresholds. Aftermarket boards frequently use approximated timing that can cause nuisance lockouts, premature component wear, or — more critically — unsafe fault responses that may void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas supply and disconnecting power at the disconnect and breaker before starting. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Take note of all low-voltage and high-voltage terminal labels. If fault codes are present, document them before power-down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled 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 N6D48NG480106\u003c\/strong\u003e packaged gas\/electric units. Always verify the OEM part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e printed on your existing board's label before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you purchase — no guesswork, no returns.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909266035059,"sku":"CARRIE-N6D48NG480106-CONTROL_BOARD-LH33WP002","price":590.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909266067827,"sku":"CARRIE-N6D48NG480106-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-LH33WP002-1-1784496079909.jpg?v=1784496081","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6d48ng480106-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}