{"product_id":"oem-lennox-integrated-furnace-control-board-y9894","title":"OEM Lennox Integrated Furnace Control Board — Y9894","description":"\u003cp\u003eThe Lennox \u003cstrong\u003eY9894\u003c\/strong\u003e integrated furnace control (IFC) board is the electronic brain of your Lennox gas furnace. It orchestrates the entire heating sequence — sequencing the inducer motor, monitoring the pressure switch, energizing the igniter, opening the gas valve, and timing blower on\/off delays. This direct OEM replacement is engineered to the exact firmware, relay ratings, and connector layout that your Lennox furnace expects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e the furnace will not ignite, the blower runs continuously or not at all, flashing diagnostic error codes on the board LED, intermittent no-heat calls, or a board that shows scorch marks and blown traces around the relays. Power surges, moisture, and aging capacitors are frequent causes of control board failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the Y9894 uses Lennox-specific ignition timing and flame-sensing thresholds. A generic or aftermarket board can misread flame signals, short-cycle the system, or fail to satisfy safety lockouts — risking nuisance faults or unsafe operation. Installing the genuine \u003cstrong\u003eY9894\u003c\/strong\u003e guarantees correct fit, proper safety logic, and full compatibility with your Lennox furnace so you get reliable, code-compliant heating.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081142550899,"sku":"LNX-Y9894","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-Y9894.jpg?v=1783762247","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-integrated-furnace-control-board-y9894","provider":"National HVAC Parts","version":"1.0","type":"link"}