{"product_id":"carrier-py3ppa060090aa-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY3PPA060090AA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY3PPA060090AA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM Direct Spark Ignition (DSI) control board for the \u003cstrong\u003eCarrier PY3PPA060090AA\u003c\/strong\u003e packaged gas\/electric unit. As the brain of the heating system, this microprocessor-based board orchestrates combustion sequencing, blower and indoor motor operation, spark ignition timing, gas valve control, flame sensing, and safety lockout logic. When this board fails, common symptoms include a complete no-heat condition, repeated ignition lockouts, erratic burner cycling, or the unit starting then shutting down without establishing a stable flame. Replacing it with the correct OEM part restores factory-precise timing and safeguards.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LH33WP003 | Direct Spark Ignition (DSI) Control Board | Microprocessor-based design | Factory-matched for Carrier PY3PPA060090AA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM board engineered to exact factory specifications. Aftermarket boards can introduce timing mismatches in trial-for-ignition and lockout sequences, risking nuisance trips or unsafe operation. OEM ensures code-compliant, warranty-backed performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 4\/5\u003c\/strong\u003e — This repair involves 24V and 120V wiring. Always shut off power at the disconnect and gas supply before beginning. Photograph all wire connections before removal. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Professional installation strongly recommended.\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 Engineered as the OEM replacement for \u003cstrong\u003eCarrier model PY3PPA060090AA\u003c\/strong\u003e packaged units. Also cross-references to LH33WP003A. Verify your unit's data plate and existing board part number before ordering to ensure fitment. Have questions? Our HVAC parts specialists verify compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640347775347,"sku":"CARRIE-PY3PPA060090AA-CONTROL_BOARD-LH33WP003","price":367.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640347808115,"sku":"CARRIE-PY3PPA060090AA-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_5e387760-fe49-4c24-ac6b-106395ab74ef.jpg?v=1775028221","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa060090aa-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}