{"product_id":"carrier-py3pea042060nb-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY3PEA042060NB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY3PEA042060NB\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) Control Board for the \u003cstrong\u003eCarrier PY3PEA042060NB\u003c\/strong\u003e packaged unit. The DSI control board serves as the brain of your system's heating sequence — it manages spark ignition timing, monitors flame presence, sequences the gas valve and blower motor, and executes safety lockouts when abnormal conditions are detected. When this board fails, common symptoms include a system stuck in hard lockout, repeated ignition attempts with no flame establishment, blower running without heat, or complete loss of heating function. Replacing it with the correct OEM board restores factory-programmed ignition timing and safety logic.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e LH33WP002 | Direct Spark Ignition (DSI) Control Board | Factory-original Carrier component — no programming required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM DSI boards use manufacturer-calibrated ignition timing and safety lockout thresholds. Generic aftermarket boards may use looser tolerances, risking nuisance lockouts or, more critically, unsafe ignition sequences that shorten heat exchanger life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses and documenting all terminal connections before removal. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, phone\/camera for wiring photo, multimeter for post-install verification. Always shut off gas supply and 120V power before beginning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer 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 Verified factory fit for \u003cstrong\u003eCarrier PY3PEA042060NB\u003c\/strong\u003e packaged heating and cooling units. Cross-references LH33WP-002. Confirm your existing board's part number against the unit data plate before ordering. Not sure? Contact our HVAC parts specialists — we verify fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640423633267,"sku":"CARRIE-PY3PEA042060NB-CONTROL_BOARD-LH33WP002","price":487.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640423666035,"sku":"CARRIE-PY3PEA042060NB-CONTROL_BOARD-LH33WP002-GEN","price":429.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_36eede47-a435-4666-acb5-61c429bb030b.jpg?v=1775027791","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pea042060nb-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}