{"product_id":"carrier-py1pna024060adba-control-board-cyc67p","title":"OEM Carrier DSI Control Board LH33WP003 for PY1PNA024060ADBA","description":"\u003ch1\u003eOEM Carrier Direct Spark Ignition (DSI) Control Board LH33WP003 for Model PY1PNA024060ADBA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier Direct Spark Ignition (DSI) control board, part number \u003cstrong\u003eLH33WP003\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier PY1PNA024060ADBA\u003c\/strong\u003e packaged rooftop unit. As the central brain of the heating system, this Integrated Gas Control (IGC) board manages every critical combustion sequence — from initiating the spark igniter and opening the gas valve, to supervising flame sensing, inducer operation, blower motor timing, and safety lockout. When this board fails, the unit typically enters a hard lockout after a failed ignition trial, produces no heat, or displays fault codes that point directly to ignition or flame-sensing failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type \u0026amp; Function:\u003c\/strong\u003e Direct Spark Ignition (DSI) \/ Integrated Gas Control (IGC) board | Controls spark ignition, gas valve activation, combustion blower, indoor fan motor sequencing, flame sensing, and safety lockout logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM board manufactured to original design tolerances — not a third-party aftermarket substitute. OEM boards preserve factory timing sequences, fault-code accuracy, and warranty eligibility. Generic DSI boards can introduce mismatched lockout timing and flame-sensing sensitivity, risking nuisance shutdowns or, worse, unsafe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Document all wiring harness connector positions with photos before removal. Tools required: ¼\" nut driver, needle-nose pliers, multimeter (to verify 24V control circuit). Reconnect all low-voltage and line-voltage connectors firmly. Cycle unit through a full heat call to confirm ignition, flame hold, and blower sequence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by Carrier OEM factory 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 direct factory replacement for \u003cstrong\u003eCarrier model PY1PNA024060ADBA\u003c\/strong\u003e packaged rooftop units equipped with direct spark ignition heating. Verify your existing board's part number (LH33WP003 or LH33WP003A) against your unit data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us today and ship with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62641006838131,"sku":"CARRIE-PY1PNA024060ADBA-CONTROL_BOARD-LH33WP003","price":562.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62641006870899,"sku":"CARRIE-PY1PNA024060ADBA-CONTROL_BOARD-LH33WP003-GEN","price":494.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP003_cb43f370-4abe-42e5-8cca-924e4cc1d73d.jpg?v=1775027879","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py1pna024060adba-control-board-cyc67p","provider":"National HVAC Parts","version":"1.0","type":"link"}