{"product_id":"carrier-py3gnaa42090na-control-board-cyc67l","title":"OEM Carrier Ignition Control Board 24V 60Hz — PY3GNAA42090NA","description":"\u003ch1\u003eOEM Carrier Ignition Control Board LH33WP007 for Model PY3GNAA42090NA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier ignition control board (part number \u003cstrong\u003eLH33WP007\u003c\/strong\u003e), the factory-specified replacement for the \u003cstrong\u003eCarrier PY3GNAA42090NA\u003c\/strong\u003e gas furnace. The ignition control board is the central brain of your furnace's heating sequence — it manages the inducer motor, pressure switch verification, hot surface igniter timing, gas valve activation, and continuous flame monitoring. When this board fails, you'll typically experience hard lockout codes, a furnace that attempts ignition and immediately shuts down, or a unit that is completely unresponsive despite 24V power being present at the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 24V control voltage | 60 Hz | OEM part number LH33WP007 | Board revision cross-references: 1068-15 | Factory-matched logic sequencing for Carrier PY3GNAA42090NA ignition timing\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. Generic boards often carry ±timing tolerances that can cause nuisance lockouts, improper flame-sensing thresholds, or mismatched inducer pre-purge cycles — all of which shorten furnace life and void manufacturer warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Disconnect power and gas before beginning. Tools needed: ¼\" nut driver, Phillips-head screwdriver, needle-nose pliers, smartphone (photograph all wiring harness connections before removal). Label every connector. A multimeter is recommended to verify 24V to the board prior to replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our stocked warehouse. No waiting on a distributor transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered and factory-matched for the \u003cstrong\u003eCarrier PY3GNAA42090NA\u003c\/strong\u003e gas furnace. Verify your existing board's part number against LH33WP007 before ordering. Cross-references include board designation 1068-15. Not sure if this fits your unit? Contact our HVAC parts specialists — we verify fitment before you buy. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640448209267,"sku":"CARRIE-PY3GNAA42090NA-CONTROL_BOARD-LH33WP007","price":511.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640448242035,"sku":"CARRIE-PY3GNAA42090NA-CONTROL_BOARD-LH33WP007-GEN","price":449.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-LH33WP007_dbfb04d7-203b-4412-abae-5f73815b5fda.jpg?v=1775035918","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3gnaa42090na-control-board-cyc67l","provider":"National HVAC Parts","version":"1.0","type":"link"}