{"product_id":"oem-lennox-furnace-control-board-y0571","title":"OEM Lennox Furnace Control Board — Y0571","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003eY0571\u003c\/strong\u003e furnace control board is the central circuit board that governs your Lennox gas furnace's ignition sequence, blower timing, safety monitoring, and heating cycles. It coordinates the igniter, gas valve, inducer motor, and blower relays while continuously reading limit and flame-sensor inputs to keep operation safe and efficient.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A failed control board often produces no ignition, a furnace that won't start or won't stay lit, a blower that runs constantly or not at all, flashing diagnostic LED fault codes, or intermittent lockouts and unexpected shutdowns.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003eY0571\u003c\/strong\u003e board is built to Lennox's exact timing sequences, relay ratings, and safety logic. Using the authentic control ensures proper flame supervision, correct blower delays, and full compatibility with your furnace's wiring harness — protecting the equipment, preserving your warranty, and delivering reliable heat that aftermarket boards may not match.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081079636339,"sku":"LNX-Y0571","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-Y0571.jpg?v=1783761081","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-furnace-control-board-y0571","provider":"National HVAC Parts","version":"1.0","type":"link"}