{"product_id":"carrier-py3pea042060aa-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY3PEA042060AA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY3PEA042060AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM \u003cstrong\u003eCarrier LH33WP002 Direct Spark Ignition (DSI) Control Board\u003c\/strong\u003e — the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PEA042060AA\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board serves as the central command module for the entire heating sequence: it manages the inducer motor, controls spark ignition timing, monitors flame sensing feedback, supervises pressure switches, and sequences the blower fan. When this board fails, symptoms typically include a complete no-heat condition, repeated ignition lockout faults, erratic short-cycling, or the system failing to advance past the ignition stage. Replacing it with a genuine OEM board — not an aftermarket substitute — ensures exact timing parameters, correct fault code behavior, and full compatibility with all connected safety controls.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP002 (supersedes LH33WP002A) | Factory-matched Direct Spark Ignition (DSI) module | Rated for 460V operation | Manufactured to ANSI Z21.20 standards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM LH33WP002 board uses factory-calibrated ignition timing and flame-sensing thresholds. Aftermarket boards often have wider tolerances that can cause nuisance lockouts, missed ignitions, or premature safety shutdowns — putting the heat exchanger and gas valve at risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Shut off gas and 24V power at the disconnect before starting. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone camera (photograph all wiring harness connections before removal). Transfer one connector at a time to avoid miswiring. Verify fault codes clear after installation.\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 Designed as the direct OEM replacement for the \u003cstrong\u003eCarrier PY3PEA042060AA\u003c\/strong\u003e packaged unit. Also fits a wide range of Carrier 48-series packaged rooftop units — verify your unit's data plate and existing board part number before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640427106675,"sku":"CARRIE-PY3PEA042060AA-CONTROL_BOARD-LH33WP002","price":518.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640427139443,"sku":"CARRIE-PY3PEA042060AA-CONTROL_BOARD-LH33WP002-GEN","price":456.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_4b60675b-c830-449a-8847-a260e2b42b27.jpg?v=1775027785","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pea042060aa-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}