{"product_id":"carrier-py3ppa030060na-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PPA030060NA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PPA030060NA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier PY3PPA030060NA\u003c\/strong\u003e packaged gas\/electric unit. As the brain of the heating system, this microprocessor-based board orchestrates every stage of the ignition sequence — commanding the spark igniter, opening the gas valve, verifying flame establishment via the flame sensor, and sequencing the blower and indoor motors. When this board fails, you'll typically experience a complete no-heat condition, repeated ignition lockout after one or more failed trials, erratic blower behavior, or fault LED codes with no clear resolution. Replacing it with the correct OEM board (not a mismatched generic) ensures all timing parameters, safety lockout thresholds, and motor sequencing remain factory-accurate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP003 (also supersedes LH33WP003A) | Direct Spark Ignition (DSI) type | Microprocessor-based design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards maintain exact ignition trial timing, flame-sense sensitivity, and lockout logic. Third-party boards can introduce timing drift that causes nuisance lockouts or, worse, delayed gas valve shutoff — a safety-critical failure mode to avoid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V control wiring, high-voltage blower leads, and multiple harness connectors. Always de-energize the unit and tag out the disconnect before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, a phone camera to photograph wiring before removal, and a multimeter to verify 24V supply post-install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Orders placed by 3 PM local time ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY3PPA030060NA\u003c\/strong\u003e packaged rooftop unit. This board also fits a range of Carrier, Bryant, and Payne commercial rooftop models that use the LH33WP003\/3A DSI control platform — verify your unit's data plate and existing board part number before ordering. Not sure if this is the right board? Our HVAC parts specialists confirm fitment before you buy — contact us with your full model and serial number.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640365207923,"sku":"CARRIE-PY3PPA030060NA-CONTROL_BOARD-LH33WP003","price":367.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640365240691,"sku":"CARRIE-PY3PPA030060NA-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_9e2d9ed1-7fbf-4c0c-a1fc-655db60d9eda.jpg?v=1775028182","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa030060na-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}