{"product_id":"carrier-cp48p248p210010cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P248P210010CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P248P210010CP\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P248P210010CP\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board is the brain of the heating system — it sequences the inducer motor, manages spark ignition timing, monitors the flame sensor signal, and controls safety lockout logic. When this board fails, common symptoms include a no-heat condition, repeated ignition lockout faults, failure to energize the inducer or gas valve, or erratic burner cycling that won't resolve with a simple reset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | OEM Part Number LH33WP002 | Factory-matched for Carrier CP48P248P210010CP packaged unit | Integrated fault code diagnostics via LED indicator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board pre-programmed with the exact ignition timing, lockout thresholds, and safety sequencing specified for the CP48P248P210010CP. Aftermarket boards may use generic firmware that mismatches ignition trial timing or pressure switch polling intervals, risking nuisance lockouts or unsafe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V and 24V wiring harnesses, mounting screws, and careful photo documentation of all terminal connections before removal. Tools needed: Phillips and flathead screwdrivers, 1\/4\" nut driver, multimeter. Always shut off gas supply and disconnect power at the disconnect before servicing. If fault codes persist after replacement, verify inducer motor, flame sensor, and pressure switch before condemning the board.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the \u003cstrong\u003eCarrier CP48P248P210010CP\u003c\/strong\u003e packaged gas\/electric unit. Verify OEM part number LH33WP002 against your unit's data plate and existing board label before ordering. Cross-reference your model and serial number with our fitment team if you have any questions — we confirm compatibility before every order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909598826867,"sku":"CARRIE-CP48P248P210010CP-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909598859635,"sku":"CARRIE-CP48P248P210010CP-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_bd308720-7929-4047-b856-4178263ea1bd.jpg?v=1782914336","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p248p210010cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}