{"product_id":"carrier-py1peb048130aaaa-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY1PEB048130AAAA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY1PEB048130AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier PY1PEB048130AAAA\u003c\/strong\u003e packaged unit. The DSI control board is the nerve center of the heating system — it sequences the inducer motor, manages spark ignition timing, monitors the flame sensor signal, and executes safety lockout protocols. When this board fails, common symptoms include a complete no-heat condition, repeated ignition lockouts, fault codes on the system, or a furnace that sparks but never establishes a stable flame. Replacing this board with the correct OEM part restores factory-programmed timing sequences and safety thresholds that aftermarket boards frequently cannot match.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP002 | OEM Direct Spark Ignition (DSI) Control Board | Factory-original Carrier replacement | 460V application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM DSI boards use factory-calibrated ignition timing and flame-sensing thresholds. Generic substitutes often run with looser tolerances, which can cause nuisance lockouts, premature heat exchanger stress, or failed safety shutdowns — putting equipment and occupants at risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring harnesses and line-voltage connections. Always shut off power at the disconnect and verify zero voltage with a multimeter before proceeding. Photograph all wiring connections before removal. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse when ordered before the daily cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for \u003cstrong\u003eCarrier model PY1PEB048130AAAA\u003c\/strong\u003e packaged units. Verify your existing board's part number against LH33WP002 before ordering. Not sure if this is the right board? Our HVAC parts specialists confirm fitment before you buy — contact us with your model and serial number.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641042555251,"sku":"CARRIE-PY1PEB048130AAAA-CONTROL_BOARD-LH33WP002","price":499.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641042588019,"sku":"CARRIE-PY1PEB048130AAAA-CONTROL_BOARD-LH33WP002-GEN","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_2310d303-c4d1-47a3-9dd9-7d1bacdd2f43.jpg?v=1775027683","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1peb048130aaaa-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}