{"product_id":"carrier-py1ppa030080acba-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1PPA030080ACBA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1PPA030080ACBA\u003c\/h1\u003e\u003cp\u003eThis OEM Direct Spark Ignition (DSI) control board is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PPA030080ACBA\u003c\/strong\u003e packaged rooftop unit. As the central brain of the heating system, the LH33WP003 orchestrates every stage of the ignition sequence — from inducer startup and spark generation to gas valve activation and steady-state flame monitoring. When this board fails, common symptoms include a complete no-heat condition, ignition lockout after one or more failed trials, erratic blower behavior, or a system that starts briefly then shuts down without establishing a call for heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) microprocessor-based control | Manages combustion sequencing, blower\/indoor fan motors, spark igniter, and gas valve | Integrated flame sensing and safety lockout logic | Onboard status LED fault code indicators for rapid diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board manufactured to exact factory tolerances. Aftermarket boards may lack full LED diagnostic support, use lower-grade relays, or introduce timing mismatches that cause nuisance lockouts and premature component wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and verify zero voltage before handling the board. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, smartphone for wiring photos. Label every connector before removal. Always restore power at the breaker last, after all connectors are fully seated.\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 warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Verified fit for Carrier model \u003cstrong\u003ePY1PPA030080ACBA\u003c\/strong\u003e packaged rooftop unit. Cross-references Carrier part number LH33WP003 and LH33WP003A revision boards. Confirm 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":62640892707187,"sku":"CARRIE-PY1PPA030080ACBA-CONTROL_BOARD-LH33WP003","price":562.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640892739955,"sku":"CARRIE-PY1PPA030080ACBA-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_777fcd4d-5ea6-4549-82b4-4be89369a85d.jpg?v=1775027913","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1ppa030080acba-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}