{"product_id":"carrier-py2ppb042060ab-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY2PPB042060AB","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY2PPB042060AB\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier \u003cstrong\u003eLH33WP003\u003c\/strong\u003e Direct Spark Ignition (DSI) control board — the factory-specified replacement for the \u003cstrong\u003eCarrier PY2PPB042060AB\u003c\/strong\u003e packaged rooftop unit. The DSI control board is the brain of the heating system: it sequences the inducer fan, fires the spark igniter, opens the gas valve, monitors the flame sensor, and supervises all safety limit switches. When this board fails, you'll typically see a hard lockout with no ignition attempt, a furnace that sparks but never lights, or erratic short-cycling with no fault pattern. Onboard LED diagnostics help pinpoint the exact fault code before you replace any secondary component.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Direct Spark Ignition (DSI) microprocessor-based control | Monitors inducer, blower, and indoor fan motors | Controls spark igniter and gas valve | Flame sensing with automatic lockout protection | LED status indicators for fault code diagnostics | Dimensions: 5 × 7 × 1.875 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM board is manufactured to Carrier's exact design tolerances and firmware — ensuring full compatibility with the PY2PPB042060AB's safety circuit, timing sequences, and flame-sense thresholds. Aftermarket boards may use wider tolerances that cause nuisance lockouts or missed fault detection, risking heat exchanger damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, phone\/camera for wiring photos. Label every wire harness before removal. Verify 24V control power is restored before startup. Recommended for qualified HVAC technicians.\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 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct-fit replacement for \u003cstrong\u003eCarrier PY2PPB042060AB\u003c\/strong\u003e packaged rooftop units. Also replaces cross-reference part number \u003cstrong\u003eLH33WP003A\u003c\/strong\u003e. Always verify your unit's data plate part number before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy for peace of mind.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640513483123,"sku":"CARRIE-PY2PPB042060AB-CONTROL_BOARD-LH33WP003","price":249.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640513515891,"sku":"CARRIE-PY2PPB042060AB-CONTROL_BOARD-LH33WP003-GEN","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_fe1595bc-31ee-4159-8aec-19de0146362b.jpg?v=1775028056","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb042060ab-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}