{"product_id":"oem-lennox-control-board-kit-11h36","title":"OEM Lennox Control Board Kit — 11H36","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e11H36\u003c\/strong\u003e control board kit is the electronic brain of your Lennox furnace or air handler, coordinating ignition sequencing, blower and inducer timing, and critical safety limit monitoring. It reads inputs from the thermostat, flame sensor, and pressure switches, then energizes the gas valve, igniter, and motors in the correct order every heating cycle. This kit is a complete factory replacement built to Lennox specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e a failing control board may cause a furnace that won't ignite, a blower that runs constantly or not at all, intermittent no-heat calls, error or fault codes flashing on the board's diagnostic LED, or a system that short-cycles. Burnt spots, corroded relays, or a cracked board are clear signs of failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e the Lennox \u003cstrong\u003e11H36\u003c\/strong\u003e is programmed with the exact firmware, relay ratings, and connector layout your Lennox model requires. Genuine OEM boards drop in without rewiring or jumper adjustments, maintain proper safety sequencing, and protect your warranty — reliability that generic aftermarket boards cannot guarantee.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081145794931,"sku":"LNX-11H36","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-11H36.jpg?v=1783759948","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-control-board-kit-11h36","provider":"National HVAC Parts","version":"1.0","type":"link"}