{"product_id":"carrier-py3pea048090nb-control-board-cyc67o","title":"OEM Carrier DSI Control Board LH33WP002 for PY3PEA048090NB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP002 for Model PY3PEA048090NB\u003c\/h1\u003e\u003cp\u003eThis is the factory-original \u003cstrong\u003eDirect Spark Ignition (DSI) Control Board\u003c\/strong\u003e for the \u003cstrong\u003eCarrier PY3PEA048090NB\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board serves as the brain of the heating sequence — managing ignition timing, flame verification, pressure switch sensing, inducer motor operation, and safety lockout logic. When this board fails, common symptoms include a system that sparks but never lights, a unit that locks out after one or two ignition attempts, erratic cycling, or a complete no-heat condition with no obvious mechanical cause. Fault codes on the board's LED indicator can help pinpoint the failure mode before replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e LH33WP002 (supersedes LH33WP-002) | Direct Spark Ignition (DSI) type | Factory-matched to Carrier PY3PEA048090NB specifications | 460V ignition control module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket clone. OEM boards retain original firmware logic, terminal placement, and safety timing sequences. Generic boards may trigger nuisance lockouts or void equipment warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — Control board replacement requires de-energizing the unit at the disconnect, photographing all wiring harness connections before removal, and carefully transferring wires one-at-a-time. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter for 24V control circuit verification post-install. Recommend qualified HVAC technician for this repair.\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 cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier model PY3PEA048090NB\u003c\/strong\u003e packaged units. Verify your existing board's part number against LH33WP002 or LH33WP-002 before ordering. If you have questions about fitment, our HVAC parts specialists will confirm compatibility before your order ships — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640416686451,"sku":"CARRIE-PY3PEA048090NB-CONTROL_BOARD-LH33WP002","price":482.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640416719219,"sku":"CARRIE-PY3PEA048090NB-CONTROL_BOARD-LH33WP002-GEN","price":424.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP002_8ab817f5-6ce0-47e4-96fa-15fc0239d638.jpg?v=1775027806","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3pea048090nb-control-board-cyc67o","provider":"National HVAC Parts","version":"1.0","type":"link"}