{"product_id":"oem-lennox-integrated-furnace-control-board-x4459","title":"OEM Lennox Integrated Furnace Control Board — X4459","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003eX4459\u003c\/strong\u003e integrated furnace control board governs every stage of your Lennox furnace's operation. It sequences the hot surface igniter, opens the gas valve, verifies flame with the sensor circuit, and stages the inducer and blower motors for safe, efficient heat. This board is engineered to the exact electrical and firmware specifications of compatible Lennox furnace platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Watch for a furnace that fails to start, ignites then locks out, cycles on and off rapidly, or blows cold air. A dead control board may also leave the blower running nonstop or produce no response at the thermostat. Diagnostic LED fault codes on the board typically point to the source.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Generic replacements frequently mis-handle Lennox flame-sensing and timing routines, causing nuisance lockouts or unsafe operation. The OEM \u003cstrong\u003eX4459\u003c\/strong\u003e delivers factory-matched connectors, relays, and control logic for guaranteed compatibility, safe performance, and preserved warranty coverage on your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081144746355,"sku":"LNX-X4459","price":129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-LNX-X4459.jpg?v=1783762242","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-integrated-furnace-control-board-x4459","provider":"National HVAC Parts","version":"1.0","type":"link"}