{"product_id":"carrier-cp48p548p505011cp-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for CP48P548P505011CP","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model CP48P548P505011CP\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier CP48P548P505011CP\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 gas valve operation. When this board fails, symptoms typically include repeated ignition lockouts, no-heat calls despite thermostat demand, fault codes indicating ignition or flame-sensing failure, or a system that sparks briefly then shuts down without establishing flame.\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 | 24V control circuit compatible | Factory-programmed ignition timing and lockout logic for Carrier CP48P548P505011CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board pre-programmed with exact ignition timing, trial-for-ignition duration, and lockout sequences specified for the CP48P548P505011CP. Aftermarket boards may use generic logic that causes nuisance lockouts, mis-timed sparks, or void your equipment warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, Phillips screwdriver, multimeter, phone\/camera to photograph all wiring harness connections before removal. Label every connector. Board mounts on standoffs — take care not to crack the PCB during removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier CP48P548P505011CP\u003c\/strong\u003e packaged unit. Verify OEM part number LH33WP002 on your existing board's label before ordering. If your board shows a different part number, contact our fitment team — we verify compatibility before you buy. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909593354611,"sku":"CARRIE-CP48P548P505011CP-CONTROL_BOARD-LH33WP002","price":156.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909593387379,"sku":"CARRIE-CP48P548P505011CP-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_5868afd4-a406-41a0-86c8-a37cbb518ec8.jpg?v=1782914378","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp48p548p505011cp-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}