{"product_id":"carrier-py2pnb030060ab-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 — PY2PNB030060AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY2PNB030060AB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e, part number \u003cstrong\u003eLH33WP003\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY2PNB030060AB\u003c\/strong\u003e packaged rooftop unit. The DSI control board is the brain of your unit's heating system — it orchestrates the entire ignition sequence including spark ignition, gas valve activation, blower and indoor fan motor operation, flame sensing, inducer motor control, and safety lockout logic. When this board fails, the most common symptoms include a no-heat condition, repeated ignition lockout after a failed trial for ignition, erratic burner cycling, or a completely unresponsive unit with no fault code activity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Direct Spark Ignition (DSI) Integrated Control Board | OEM Part# LH33WP003 | Fits Carrier PY2PNB030060AB packaged rooftop units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board manufactured to original factory specifications. OEM boards preserve full diagnostic LED fault code functionality and ensure precise timing for ignition trials, flame sensing thresholds, and safety lockout — variables that aftermarket boards often approximate, risking nuisance lockouts or unsafe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — This is a high-voltage commercial rooftop application. Disconnect all power at the unit disconnect before proceeding. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections prior to removal. Recommend a qualified HVAC technician for this repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePY2PNB030060AB\u003c\/strong\u003e packaged rooftop unit. Verify your existing board's part number against LH33WP003 or LH33WP003A before ordering. Cross-references the ICM Controls ICM291 as an aftermarket equivalent. Questions about fitment? Our HVAC parts specialists confirm compatibility before you order — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640543334771,"sku":"CARRIE-PY2PNB030060AB-CONTROL_BOARD-LH33WP003","price":562.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640543367539,"sku":"CARRIE-PY2PNB030060AB-CONTROL_BOARD-LH33WP003-GEN","price":494.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_a4a393e2-72ab-4f47-a7b5-b2427a3fa813.jpg?v=1775028277","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2pnb030060ab-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}