{"product_id":"carrier-py3ppa036060nb-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PPA036060NB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PPA036060NB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier PY3PPA036060NB\u003c\/strong\u003e packaged rooftop unit. As the central intelligence of your heating system, this board manages spark ignition sequencing, gas valve activation, combustion blower control, and real-time flame sensing. When it fails, symptoms typically include a no-heat condition, ignition lockout after one or more failed trials, erratic blower operation, or a system that starts briefly then shuts down — often with a fault LED code on the board itself.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Direct Spark Ignition (DSI) Integrated Furnace Control Board | OEM Part # \u003cstrong\u003eLH33WP003\u003c\/strong\u003e | Microprocessor-based design with onboard status LED fault diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-authorized OEM board is engineered to Carrier's original design specifications, ensuring full compatibility with the PY3PPA036060NB's ignition timing, flame-sensing thresholds, and safety lockout logic. Aftermarket boards may use different timing tolerances, risking nuisance lockouts or unsafe ignition behavior.\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 gas valve connections. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter for pre-install voltage verification. Always confirm power is off at the disconnect and take a clear photo of all wiring harnesses before removal. Recommended for experienced DIYers or licensed HVAC technicians.\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 — get your unit back online fast.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier model PY3PPA036060NB\u003c\/strong\u003e packaged rooftop units equipped with a Direct Spark Ignition heating system. Verify your existing board's part number (LH33WP003 or LH33WP003A) against your unit's data plate before ordering. Not sure? Our HVAC parts specialists are available to confirm fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640362062195,"sku":"CARRIE-PY3PPA036060NB-CONTROL_BOARD-LH33WP003","price":450.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640362094963,"sku":"CARRIE-PY3PPA036060NB-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_ddf4c07b-a5f3-4bb5-85d3-dd5e55f5130b.jpg?v=1775028188","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa036060nb-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}