{"product_id":"carrier-py1rpa072115acwa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1RPA072115ACWA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1RPA072115ACWA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Direct Spark Ignition (DSI) Control Board for the \u003cstrong\u003eCarrier PY1RPA072115ACWA\u003c\/strong\u003e packaged HVAC unit. The DSI control board is the brain of your system's heating sequence — it orchestrates the inducer motor, spark ignition, gas valve, and flame sensing in a precise, timed cycle. When this board fails, common symptoms include ignition lockout faults, failure to light with no audible spark, repeated short-cycling on heat calls, or a complete no-heat condition with the system appearing otherwise powered. Replacing the board with a genuine OEM part ensures the factory-specified ignition timing, safety lockout logic, and diagnostic fault codes are fully preserved.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e LH33WP003 | Type: Direct Spark Ignition (DSI) Control Board | Factory-direct replacement for Carrier \u003cstrong\u003ePY1RPA072115ACWA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — not an aftermarket substitute. OEM boards maintain exact ignition timing windows, lockout sequences, and LED fault code outputs that generic boards frequently get wrong, risking nuisance lockouts or unsafe ignition retries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off gas supply and 120V power at the disconnect before servicing. Tools needed: Phillips and flathead screwdrivers, needle-nose pliers, phone camera (photograph all wiring harness connections before removal). Take note of all jumper settings on the original board and replicate them on the new board.\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 as a direct factory replacement for Carrier model \u003cstrong\u003ePY1RPA072115ACWA\u003c\/strong\u003e. Always verify the OEM part number LH33WP003 against your unit's data plate and wiring diagram before ordering. Our HVAC parts specialists are available to confirm fitment — we verify before you buy. Order today for same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640622895475,"sku":"CARRIE-PY1RPA072115ACWA-CONTROL_BOARD-LH33WP003","price":193.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640622928243,"sku":"CARRIE-PY1RPA072115ACWA-CONTROL_BOARD-LH33WP003-GEN","price":170.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_1304a459-abf7-4f41-b5e5-a705546dcfcf.jpg?v=1775027991","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1rpa072115acwa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}