{"product_id":"carrier-py2peb042090nb-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY2PEB042090NB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY2PEB042090NB\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e (part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PY2PEB042090NB\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board is the nerve center of the heating system — it sequences the inducer motor, manages spark ignition timing, monitors the flame sensor, and enforces safety lockout logic. When this board fails, common symptoms include a \u003cstrong\u003eno-heat or lockout condition\u003c\/strong\u003e, repeated ignition attempts with no flame establishment, error codes indicating ignition failure, or the unit cycling on and off without completing a full heating sequence.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control | Factory-matched for Carrier PY2PEB042090NB | 24V control circuit | Integrated lockout timer and diagnostic LED output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a \u003cstrong\u003egenuine OEM Carrier board\u003c\/strong\u003e engineered to exact factory tolerances. Aftermarket boards may lack precise timing calibration, risking nuisance lockouts, improper flame-sensing thresholds, or voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage before removal. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera to photograph all wiring harness connections before disconnecting. Transfer one connector at a time to avoid mis-wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 specifically for the \u003cstrong\u003eCarrier PY2PEB042090NB\u003c\/strong\u003e packaged unit. Always cross-reference your unit's data plate and existing board part number against LH33WP002 before ordering. Our HVAC parts specialists are available to verify fitment — contact us before you buy for complete peace of mind.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640568926579,"sku":"CARRIE-PY2PEB042090NB-CONTROL_BOARD-LH33WP002","price":200.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640568959347,"sku":"CARRIE-PY2PEB042090NB-CONTROL_BOARD-LH33WP002-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-LH33WP002_00d706fe-7297-4c12-8cd8-3522fa37d84b.jpg?v=1775027744","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2peb042090nb-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}