{"product_id":"oem-lennox-direct-spark-ignition-control-board-96w66","title":"OEM Lennox Direct Spark Ignition Control Board — 96W66","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e96W66\u003c\/strong\u003e Direct Spark Ignition (DSI) Control governs the ignition sequence in your Lennox furnace. It energizes the spark electrode, verifies flame via the sensing circuit, and safely sequences the gas valve and blower — coordinating a clean, reliable light-off on every heat call. This board is engineered to the exact voltage, timing, and safety parameters your Lennox equipment expects.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e When the \u003cstrong\u003e96W66\u003c\/strong\u003e fails, you may notice the furnace failing to ignite, repeated lockouts after several ignition attempts, no spark at the electrode, short cycling, or a system that runs the inducer but never lights the burners. Intermittent no-heat calls on cold mornings are a classic sign of a degrading ignition control.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Lennox ignition sequences and flame-sensing thresholds are calibrated specifically to the factory control. Aftermarket substitutes can mistime the gas valve or misread flame current, leading to nuisance lockouts or unsafe operation. Installing the OEM \u003cstrong\u003e96W66\u003c\/strong\u003e restores factory ignition timing, preserves your safety interlocks, and keeps your Lennox furnace running as designed. Ships same day for fast, dependable heat.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081145467251,"sku":"LNX-96W66","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-96W66.jpg?v=1783760082","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-direct-spark-ignition-control-board-96w66","provider":"National HVAC Parts","version":"1.0","type":"link"}