{"product_id":"carrier-n6d48ng480104-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for N6D48NG480104","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model N6D48NG480104\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e for the \u003cstrong\u003eCarrier N6D48NG480104\u003c\/strong\u003e packaged gas unit. The DSI control board is the brain of the heating system — it sequences the inducer motor, spark igniter, gas valve, and flame verification circuit. When it fails, common symptoms include a hard lockout with no ignition attempt, intermittent no-heat calls, fault codes on the board's LED indicator, or a system that sparks but never opens the gas valve. Replacing the control board with the correct OEM part restores factory-programmed timing, safety lockout thresholds, and diagnostic functionality that generic boards often cannot replicate.\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) board | 24V control circuit | Compatible with single-stage gas heat sequencing | Onboard LED fault diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM board is programmed with Carrier's exact ignition trial timing, inter-purge delays, and lockout retry logic. Aftermarket control boards frequently use generic timing profiles that can cause nuisance lockouts, void equipment warranties, or fail safety inspections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Label all connectors. A multimeter is recommended to verify 24V to the board before condemning the part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock and ships same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier N6D48NG480104\u003c\/strong\u003e packaged gas\/electric unit. Always cross-reference OEM part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e against your unit's wiring diagram and data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before every order — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909266264435,"sku":"CARRIE-N6D48NG480104-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909266297203,"sku":"CARRIE-N6D48NG480104-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_74edb02a-d0b3-45bf-8123-3616cf6d499c.jpg?v=1782914440","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6d48ng480104-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}