{"product_id":"carrier-py1peb048115aaaa-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY1PEB048115AAAA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY1PEB048115AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Direct Spark Ignition (DSI) control board, part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY1PEB048115AAAA\u003c\/strong\u003e packaged unit. The DSI control board serves as the central command module for the heating system — it sequences the inducer motor, manages spark ignition timing, monitors flame sensing feedback, and executes safety shutdowns when fault conditions are detected. When this board fails, common symptoms include a hard lockout with no ignition attempt, intermittent no-heat calls, the unit sparking continuously without establishing flame, or error codes indicating an ignition control fault.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e OEM part number LH33WP002 | Direct Spark Ignition (DSI) control board | 460V ignition control module | Factory-matched for Carrier PY1PEB048115AAAA packaged HVAC equipment | Weight: 0.66 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not a third-party clone. OEM boards carry factory firmware and tolerance-matched components, ensuring proper ignition sequencing, safety lockout timing, and flame signal thresholds. Aftermarket boards frequently cause nuisance lockouts or unsafe ignition delays due to firmware mismatches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage connectors, photographing all wiring harness positions before removal, and verifying DIP switch or jumper settings match the original board. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, multimeter. Always cut power at the disconnect before servicing. Recommend licensed HVAC technician for packaged unit board replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY1PEB048115AAAA\u003c\/strong\u003e packaged unit. Verify your existing board's part number against \u003cstrong\u003eLH33WP002\u003c\/strong\u003e or its updated revision \u003cstrong\u003eLH33WP002A\u003c\/strong\u003e before ordering. If you need fitment confirmation, our parts team will verify compatibility before your order ships — just reach out before checkout.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641063788915,"sku":"CARRIE-PY1PEB048115AAAA-CONTROL_BOARD-LH33WP002","price":487.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641063821683,"sku":"CARRIE-PY1PEB048115AAAA-CONTROL_BOARD-LH33WP002-GEN","price":429.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_60966f05-0584-4977-8a3b-f270077696af.jpg?v=1775027675","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1peb048115aaaa-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}