{"product_id":"carrier-cp48p548p503011cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P548P503011CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P548P503011CP\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P548P503011CP\u003c\/strong\u003e packaged unit. The DSI control board serves as the central brain of the heating sequence — managing ignition timing, flame verification, gas valve operation, inducer control, and safety lockout logic. When this board fails, common symptoms include the unit failing to ignite, entering a hard lockout after repeated ignition attempts, erratic heating cycles, or a complete loss of heating function with no fault codes displayed. If your Carrier CP48P548P503011CP is cycling without producing heat or showing repeated ignition lockout faults, this board is a primary suspect.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | OEM Part Number: \u003cstrong\u003eLH33WP002\u003c\/strong\u003e | Factory-matched to Carrier CP48P548P503011CP packaged unit | Controls ignition sequencing, flame sensing, gas valve, and inducer motor timing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board manufactured to exact factory specifications. Aftermarket boards often lack proper timing calibration and safety lockout logic, which can cause nuisance trips, unsafe operation, or premature failure. OEM is always the recommended choice for control board replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect all power before beginning. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Label every connector. Reuse the original mounting hardware and verify all harnesses click firmly into place before restoring power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock units ship same business day when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This DSI control board is designed specifically for the \u003cstrong\u003eCarrier CP48P548P503011CP\u003c\/strong\u003e packaged gas\/electric unit. Always verify the OEM part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e against your unit's existing board label and data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order and we'll confirm compatibility fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909594173811,"sku":"CARRIE-CP48P548P503011CP-CONTROL_BOARD-LH33WP002","price":590.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909594206579,"sku":"CARRIE-CP48P548P503011CP-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-LH33WP002-1-1784496308440.jpg?v=1784496309","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p548p503011cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}