{"product_id":"carrier-n6a48ng481460-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for N6A48NG481460","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model N6A48NG481460\u003c\/h1\u003e\u003cp\u003eThis is the OEM-direct replacement \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier N6A48NG481460\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board serves as the brain of the heating system — it sequences the inducer motor, manages the spark ignition timing, monitors the flame sensor signal, and controls the gas valve open\/close cycle. When this board fails, common symptoms include a hard lockout with no ignition attempt, intermittent no-heat calls, failure to prove flame even with a known-good flame sensor, or fault codes indicating a control board fault on the unit's diagnostic LED.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) design | OEM part number LH33WP002 | 24V control circuit compatible | Factory-programmed timing sequences for Carrier N6A48NG481460 — no field programming required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board, factory-set with the exact ignition timing, lockout thresholds, and fault logic your unit requires. Aftermarket boards frequently introduce nuisance lockouts or mismatched timing that can damage the heat exchanger or gas valve over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas supply and 120V power before starting. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, and a phone or camera to photograph all wiring harness connections prior to removal. Take note of all connector positions and DIP switch settings on the old board before swapping.\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 climate-controlled parts warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier N6A48NG481460\u003c\/strong\u003e packaged unit. Always cross-reference OEM part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e against your unit's data plate and existing control board label before ordering. Need fitment verification? Our HVAC parts specialists confirm compatibility before your order ships — no guesswork, no costly returns.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909276979571,"sku":"CARRIE-N6A48NG481460-CONTROL_BOARD-LH33WP002","price":590.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909277012339,"sku":"CARRIE-N6A48NG481460-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-LH33WP002-1-1784496179439.jpg?v=1784496180","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6a48ng481460-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}