{"product_id":"carrier-cp48p348p310010cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P348P310010CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P348P310010CP\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P348P310010CP\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, and flame verification circuit. When this board fails, common symptoms include a no-heat lockout condition, repeated ignition attempts with no flame establishment, erratic cycling, or a complete loss of furnace operation despite normal thermostat signals. Replacing the control board with the correct OEM part ensures all timing sequences and safety lockout logic meet factory specifications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM Part Number LH33WP002 | Direct Spark Ignition (DSI) control board | 24V control circuit compatible | Factory-programmed ignition timing and lockout sequences | Designed for Carrier CP48 series packaged units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The LH33WP002 OEM board uses factory-calibrated ignition timing and safety lockout logic. Aftermarket boards may use generic programming that can cause nuisance lockouts, improper ignition timing, or missed safety shutoffs — putting equipment and occupants at risk. Always use OEM for control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 4\/5\u003c\/strong\u003e — Control board replacement involves high-voltage and low-voltage wiring. Tools needed: nut driver set, flathead and Phillips screwdrivers, needle-nose pliers, multimeter, phone or camera for wiring documentation. Photograph all wiring connections before disconnecting. Disconnect power at the breaker and verify zero voltage before handling. Professional installation strongly recommended.\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 from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This DSI control board is the factory-specified replacement for the \u003cstrong\u003eCarrier CP48P348P310010CP\u003c\/strong\u003e packaged unit. Verify your existing board's part number against LH33WP002 before ordering. If your data plate or existing board shows a different part number, contact our fitment team — we verify compatibility before every order to make sure you get the right part the first time. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909597286771,"sku":"CARRIE-CP48P348P310010CP-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909597319539,"sku":"CARRIE-CP48P348P310010CP-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_f8063dce-c0f4-44c5-8ac0-cf57a934114a.jpg?v=1782914350","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p348p310010cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}