{"product_id":"carrier-py3pna060090ab-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PNA060090AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PNA060090AB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Direct Spark Ignition (DSI) control board, part number \u003cstrong\u003eLH33WP003\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY3PNA060090AB\u003c\/strong\u003e packaged rooftop unit. As the nerve center of your unit's heating sequence, this microprocessor-based board orchestrates spark ignition, gas valve activation, inducer and blower fan motor operation, flame sensing, and safety switch monitoring. When this board fails, symptoms typically include a no-heat condition, repeated ignition lockout, short cycling, or the unit failing to advance past the pre-purge stage entirely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) type | Microprocessor-based control | Manages spark igniter, gas valve, combustion blower, and indoor blower motor | LED status\/fault code diagnostics | Compatible with LH33WP003A revision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier factory part — not an aftermarket substitute. OEM boards are manufactured to exact factory tolerances and timing sequences (pre-purge: 45 sec, trial for ignition: 5+2 sec). Aftermarket boards may introduce timing drift, nuisance lockouts, or voided unit warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas supply and 120V power at disconnect before servicing. Photograph all wiring harness connections before removal. Tools needed: 1\/4\" nut driver, needle-nose pliers, multimeter. Recommend licensed HVAC technician for gas appliance board replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our warehouse in original Carrier factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct factory replacement for the \u003cstrong\u003eCarrier PY3PNA060090AB\u003c\/strong\u003e packaged rooftop unit. Also cross-references part number LH33WP003A. Verify your existing board's part number on the label before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — call or chat today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640376217971,"sku":"CARRIE-PY3PNA060090AB-CONTROL_BOARD-LH33WP003","price":562.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640376250739,"sku":"CARRIE-PY3PNA060090AB-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_4ade86d8-cef2-404e-800d-fbabde85e679.jpg?v=1775028163","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pna060090ab-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}