{"product_id":"carrier-py1pna060120adba-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1PNA060120ADBA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1PNA060120ADBA\u003c\/h1\u003e\u003cp\u003eThis OEM Direct Spark Ignition (DSI) control board is the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNA060120ADBA\u003c\/strong\u003e packaged unit. The DSI control board serves as the operational brain of the heating system — managing the ignition sequence, monitoring flame presence, coordinating the inducer and blower motors, and enforcing safety lockouts. When this board fails, you may experience a complete no-heat condition, repeated ignition lockouts, erratic blower behavior, or fault codes that cannot be cleared by resetting the thermostat. Replacing it with the correct OEM part restores factory-programmed timing and safety logic.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | OEM Part Number: LH33WP003 | Factory-matched ignition timing, trial-for-ignition duration, and lockout thresholds | Designed for Carrier PY1PNA060120ADBA packaged gas\/electric unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM boards carry factory-programmed microcontroller firmware with precise ignition timing and safety lockout sequences. Aftermarket alternatives may use looser tolerances that cause nuisance lockouts, premature component wear, or failed safety shutdowns — always choose OEM for control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas supply and 120V power before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone or camera to photograph all wiring harness connections before removal. Transfer connectors one-at-a-time to avoid miswiring. Verify all harness clips are fully seated before restoring power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier model PY1PNA060120ADBA\u003c\/strong\u003e packaged units equipped with the Direct Spark Ignition heating system. Always cross-reference the part number on your existing board's label before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you buy — order with confidence and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640912826739,"sku":"CARRIE-PY1PNA060120ADBA-CONTROL_BOARD-LH33WP003","price":200.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640912859507,"sku":"CARRIE-PY1PNA060120ADBA-CONTROL_BOARD-LH33WP003-GEN","price":176.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_66e8aebd-480f-437d-8da5-013dc6fcaaf6.jpg?v=1775027895","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pna060120adba-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}