{"product_id":"carrier-cp48p348p305010cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P348P305010CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P348P305010CP\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P348P305010CP\u003c\/strong\u003e packaged unit. The DSI control board serves as the brain of your heating system — managing the ignition sequence, monitoring flame presence, coordinating gas valve operation, and triggering safety lockouts when fault conditions are detected. Common failure symptoms include a system that attempts ignition but enters hard lockout, a unit that sparks continuously without establishing flame, error codes on the board's LED diagnostics, or a complete loss of heating function with no response from the ignition sequence.\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 input\/output logic for Carrier CP48P348P305010CP | Includes integrated LED fault code diagnostics for rapid field troubleshooting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board manufactured to exact factory specifications. Generic aftermarket boards frequently use lower-grade relays and mismatched timing circuits, which can cause nuisance lockouts, premature failure, or unsafe ignition sequencing. OEM ensures precise flame-proving timing and full compatibility with your unit's safety controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Control board replacement requires disconnecting 120V and 24V wiring harnesses, grounding the unit, and carefully documenting all connector positions before removal. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, smartphone for wiring photos, and a multimeter for pre\/post verification. Recommended for qualified HVAC technicians or experienced DIYers comfortable working with control wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier CP48P348P305010CP\u003c\/strong\u003e packaged unit. Always cross-reference OEM part number LH33WP002 against your existing board's label before ordering to confirm fitment. Have your model and serial number ready — our HVAC parts specialists are available to verify compatibility before you buy. Order today and get same-day shipping on in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909598138739,"sku":"CARRIE-CP48P348P305010CP-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909598171507,"sku":"CARRIE-CP48P348P305010CP-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_59f5b062-712b-4509-82b1-3dc5f2b1328d.jpg?v=1782914346","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p348p305010cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}