{"product_id":"carrier-py1pnb042060aaaa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1PNB042060AAAA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1PNB042060AAAA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM \u003cstrong\u003eCarrier LH33WP003\u003c\/strong\u003e Direct Spark Ignition (DSI) Control Board, the factory-specified replacement for the \u003cstrong\u003eCarrier PY1PNB042060AAAA\u003c\/strong\u003e packaged unit. As the brain of the heating system, this microprocessor-based board controls combustion sequencing, blower and indoor fan motors, the spark igniter, and the gas valve — while continuously monitoring trial-for-ignition timing, flame sensing, and safety lockout conditions. When this board fails, common symptoms include a complete no-heat condition, repeated ignition lockouts, erratic blower behavior, or fault codes that will not clear after a manual reset.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP003 (also supersedes LH33WP003A) | Direct Spark Ignition (DSI) microprocessor control board | Factory-matched for Carrier PY1PNB042060AAAA packaged gas\/electric units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This genuine OEM board maintains exact factory timing sequences, fault-code logic, and terminal configurations. Aftermarket substitutes may use approximated firmware that causes nuisance lockouts, incorrect blower delays, or premature gas valve cycling — shortening system life and voiding equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage terminals. Always de-energize the unit at the disconnect before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, smartphone or camera to photograph wiring prior to removal. A licensed HVAC technician is strongly recommended for gas appliance control board replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders placed by 3 PM local time ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PY1PNB042060AAAA\u003c\/strong\u003e packaged gas\/electric unit. Always verify the part number printed on your existing board's label before ordering — multiple board revisions exist across the PY1PNB series. If you need fitment confirmation, our team is available to verify compatibility before you purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640901980531,"sku":"CARRIE-PY1PNB042060AAAA-CONTROL_BOARD-LH33WP003","price":373.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640902013299,"sku":"CARRIE-PY1PNB042060AAAA-CONTROL_BOARD-LH33WP003-GEN","price":328.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_a59fdcac-a80a-40c8-9ae9-1b2f4b3a3138.jpg?v=1775027905","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pnb042060aaaa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}