{"product_id":"carrier-cp48p348p310011cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P348P310011CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P348P310011CP\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P348P310011CP\u003c\/strong\u003e packaged unit. The DSI control board orchestrates the entire heating sequence — managing inducer startup, spark ignition timing, flame verification, gas valve operation, and safety lockout logic. When this board fails, common symptoms include repeated ignition lockouts, no-heat calls despite thermostat demand, erratic burner cycling, or a complete failure to initiate the heating sequence. This OEM replacement board (part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e) restores factory-programmed ignition timing and safety responses that generic aftermarket boards frequently cannot replicate with precision.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | OEM Part No. LH33WP002 | Factory-programmed ignition timing, trial-for-ignition period, and lockout reset logic | Designed for Carrier CP48P348P310011CP packaged gas\/electric unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry exact firmware and relay ratings matched to your unit's gas valve, inducer motor, and safety circuit. Generic control boards often use off-spec relay contacts and unprogrammed timing sequences, leading to nuisance lockouts, premature component wear, or unsafe ignition behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V and 24V wiring harnesses. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera for wiring documentation. Always shut off power at the disconnect and gas supply before beginning. Label all wires prior to removal and transfer one connector at a time to the new board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our climate-controlled warehouse in original factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e This board is the direct OEM replacement for \u003cstrong\u003eCarrier model CP48P348P310011CP\u003c\/strong\u003e packaged units equipped with Direct Spark Ignition. Always verify your existing board's part number against \u003cstrong\u003eLH33WP002\u003c\/strong\u003e before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you purchase — reach out via chat or phone. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909597024627,"sku":"CARRIE-CP48P348P310011CP-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909597057395,"sku":"CARRIE-CP48P348P310011CP-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_dbc47b40-49b9-4c90-a10a-6f17fb8d4e89.jpg?v=1782914353","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p348p310011cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}