{"product_id":"carrier-py3pea048090ab-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY3PEA048090AB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Direct Spark Ignition (DSI) Control Board, part number \u003cstrong\u003eLH33WP002\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY3PEA048090AB\u003c\/strong\u003e packaged unit. As the central brain of your heating system, this board sequences the entire ignition cycle — commanding the inducer motor, gas valve, spark igniter, and flame sensing circuit in precise coordination. When this board fails, symptoms typically include a hard no-heat lockout, repeated ignition attempts with no flame establishment, erratic short-cycling, or a complete loss of heating function with no blower response. Replacing it with the genuine OEM part ensures the factory-programmed timing sequences, safety lockout logic, and fault code diagnostics are fully preserved.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Specs:\u003c\/strong\u003e Direct Spark Ignition (DSI) control board | 460V application | OEM part number LH33WP002 | Supersedes LH33WP002A | Factory-matched for Carrier PY-series packaged units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM boards retain factory-programmed ignition timing, retry logic, and safety lockout thresholds. Aftermarket boards can introduce off-spec timing that leads to nuisance lockouts, gas valve wear, or voided equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 120V\/24V wiring harnesses and documenting terminal assignments before removal. Tools needed: Phillips and flat-head screwdrivers, needle-nose pliers, multimeter for post-install verification. Recommended for qualified HVAC technicians; always disconnect power at the disconnect box before servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY3PEA048090AB\u003c\/strong\u003e packaged gas\/electric unit. Also fits select Carrier, Bryant, and Payne models in the 48, 574, 580, 581, 582, 583, 588, 589, and PY series — verify your OEM part number on the board or unit data plate before ordering. Need fitment confirmation? Our parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640420159859,"sku":"CARRIE-PY3PEA048090AB-CONTROL_BOARD-LH33WP002","price":506.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640420192627,"sku":"CARRIE-PY3PEA048090AB-CONTROL_BOARD-LH33WP002-GEN","price":445.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_90af0947-3e25-49b8-a84a-1f339bab8c1a.jpg?v=1775027801","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pea048090ab-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}