{"product_id":"carrier-py2ppb060090aa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY2PPB060090AA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY2PPB060090AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP003\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PY2PPB060090AA\u003c\/strong\u003e packaged rooftop unit. As the brain of your system's combustion sequence, this microprocessor-based board orchestrates spark ignition, gas valve operation, blower motor timing, and indoor fan staging — all while continuously monitoring flame sensing, inducer proving, and safety lockout logic. When this board fails, typical symptoms include a no-heat condition with no ignition spark, repeated ignition lockout faults, erratic blower operation, or a system that powers on but never advances past the prepurge stage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP003 (also supersedes LH33WP003A) | OEM Carrier Direct Spark Ignition (DSI) Control Board | Factory-matched microprocessor logic for PY2PPB060090AA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier board — not a third-party substitute. OEM boards retain factory-calibrated ignition timing, trial-for-ignition duration, and lockout sequences. Aftermarket boards may introduce timing drift that triggers nuisance lockouts or reduces heat exchanger life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring, line-voltage blower leads, and flame sensor harness. Photograph all connectors before removal. Tools needed: insulated screwdrivers, needle-nose pliers, multimeter. Always shut off gas supply and power at the disconnect before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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\u003ePY2PPB060090AA\u003c\/strong\u003e packaged rooftop gas\/electric unit. This board also cross-references with LH33WP003A suffix variants. Verify your existing board's part number on the label before ordering. Not sure it fits? Contact our HVAC parts specialists — we verify fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640503816563,"sku":"CARRIE-PY2PPB060090AA-CONTROL_BOARD-LH33WP003","price":367.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640503849331,"sku":"CARRIE-PY2PPB060090AA-CONTROL_BOARD-LH33WP003-GEN","price":323.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_8dccdff4-1d5c-4286-8cca-5bb3fc4a259f.jpg?v=1775028067","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb060090aa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}