{"product_id":"carrier-py1pnb030060aaaa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1PNB030060AAAA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1PNB030060AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM Direct Spark Ignition (DSI) control board is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNB030060AAAA\u003c\/strong\u003e rooftop and packaged heating unit. The LH33WP003 serves as the brain of your system's combustion cycle — sequencing spark ignition, activating the gas valve, managing the blower and indoor fan motors, and continuously monitoring the flame sensor for safe operation. When this board fails, common symptoms include a complete no-heat condition, repeated ignition lockout after failed spark attempts, blower running without heat, or the unit cycling off immediately after startup. Onboard LED diagnostic indicators make fault-code identification fast for service technicians.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Direct Spark Ignition (DSI) Integrated Control Board | OEM Part# \u003cstrong\u003eLH33WP003\u003c\/strong\u003e | Fits Carrier PY1PNB030060AAAA packaged\/rooftop gas heating 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 design specifications, ensuring full pin-for-pin compatibility, correct timing sequences, and preserved system safety interlock behavior. Aftermarket boards may introduce timing mismatches that cause nuisance lockouts or void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before servicing. Label all harness connectors before removal. Tools needed: ¼\" and 5\/16\" nut drivers, needle-nose pliers, multimeter for voltage verification. Confirm all connectors are fully seated before restoring power. Recommend qualified HVAC technician for gas appliance board replacement.\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 Designed for the Carrier \u003cstrong\u003ePY1PNB030060AAAA\u003c\/strong\u003e packaged rooftop gas\/electric unit. Verify your existing board's part number on the label before ordering — this board also cross-references Carrier LH33WP003A. Not sure it fits? Our HVAC parts specialists verify fitment before you buy. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640906830195,"sku":"CARRIE-PY1PNB030060AAAA-CONTROL_BOARD-LH33WP003","price":450.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640906862963,"sku":"CARRIE-PY1PNB030060AAAA-CONTROL_BOARD-LH33WP003-GEN","price":396.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_a7066816-dfe0-4f6c-a8c0-5fe0f07ee507.jpg?v=1775027900","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pnb030060aaaa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}