{"product_id":"carrier-py3ppa060090ab-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PPA060090AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PPA060090AB\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier PY3PPA060090AB\u003c\/strong\u003e packaged gas\/electric unit. The DSI control board serves as the central brain of the heating system — it sequences combustion, manages the blower and indoor motors, fires the spark igniter, opens the gas valve, and continuously monitors flame sensing, trial-for-ignition timing, and safety lockout conditions. When this board fails, symptoms typically include a complete no-heat condition, repeated ignition lockout faults, a furnace that sparks but never lights, or a system that starts briefly then shuts down and locks out within seconds. Fault codes on the board's LED indicator can help pinpoint the exact failure mode before replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Carrier OEM Part No. \u003cstrong\u003eLH33WP003\u003c\/strong\u003e (also supersedes LH33WP003A) | Board Type: Microprocessor-Based Direct Spark Ignition (DSI) Control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board — factory-programmed with exact timing sequences, lockout thresholds, and flame-sensing sensitivity for the PY3PPA060090AB. Aftermarket boards may deviate from OEM timing specs, leading to nuisance lockouts or reduced system safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires disconnecting 24V and line-voltage wiring harnesses, flame sensor lead, spark igniter cable, and gas valve connector. Always kill power at the disconnect and photograph all wiring before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone camera for documentation.\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 for the Carrier model \u003cstrong\u003ePY3PPA060090AB\u003c\/strong\u003e packaged unit. Verify your existing board's part number against LH33WP003 or LH33WP003A before ordering. Our technical team is available to confirm fitment — contact us before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640347513203,"sku":"CARRIE-PY3PPA060090AB-CONTROL_BOARD-LH33WP003","price":367.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640347545971,"sku":"CARRIE-PY3PPA060090AB-CONTROL_BOARD-LH33WP003-GEN","price":323.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_edc89f1c-c0f2-447d-b848-a9395be8aab0.jpg?v=1775028224","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa060090ab-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}