{"product_id":"carrier-py2ppb042060aa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY2PPB042060AA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY2PPB042060AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP003\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PY2PPB042060AA\u003c\/strong\u003e packaged rooftop unit. The DSI control board is the central intelligence of your unit's heating system — it orchestrates spark ignition, gas valve activation, combustion blower sequencing, indoor fan motor operation, and continuous flame sensing. When this board fails, the most common symptoms include a no-heat condition, repeated ignition lockouts after failed ignition attempts, the burner lighting briefly then shutting down, or a complete failure to advance through the heating sequence. Diagnostic LED fault codes on the board itself can confirm failure before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e Carrier OEM Part # \u003cstrong\u003eLH33WP003\u003c\/strong\u003e | Direct Spark Ignition (DSI) | Microprocessor-based logic | Integrated LED fault-code diagnostics | 120V input control circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board engineered to exact factory specifications for the PY2PPB042060AA. Aftermarket boards may lack full DSI timing calibration and LED diagnostic accuracy, risking nuisance lockouts or reduced safety-shutoff responsiveness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V power and control wiring harnesses. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone\/camera to photograph all wiring connections before removal. Note and match all terminal labels carefully. Recommend qualified HVAC technician for gas appliance work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PY2PPB042060AA\u003c\/strong\u003e packaged rooftop unit. Always verify your existing board's part number label before ordering — cross-reference with LH33WP003A if you have a revision-suffix board. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640514335091,"sku":"CARRIE-PY2PPB042060AA-CONTROL_BOARD-LH33WP003","price":450.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640514367859,"sku":"CARRIE-PY2PPB042060AA-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_5d7b0f7d-71c8-4c1d-b3e1-749ad412b276.jpg?v=1775028054","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb042060aa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}