{"product_id":"103699-01-lennox-furnace-control-board","title":"103699-01 | Lennox Furnace Control Board","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Lennox 103699-01 is a furnace control board designed to regulate ignition, burner operation, fan control, and safety functions. It ensures coordinated heating performance with precise sequencing and built-in safety monitoring.\u003c\/p\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eLennox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eControl Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003e103699-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eFurnace Control Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eFunctionality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eIgnition sequencing, fan control, flame sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eSelected Lennox furnace models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eSafety Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eAutomatic shutdown on ignition failure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eHigh-grade printed circuit board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eDirect replacement, no rewiring required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eDiagnostic Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003eSupports fault detection and troubleshooting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 23.7011%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 75.9353%;\"\u003e1.0 lbs (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan\u003e103699-01\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 103699-01 is an original Lennox OEM furnace control board built to manage all primary heating system operations. It controls ignition timing, gas valve actuation, blower motor operation, and flame sensing, ensuring efficient and safe furnace performance. This board is manufactured with high-quality components and durable PCB construction to withstand the heat and vibration of furnace environments. It is designed as a direct replacement for compatible Lennox furnace models, allowing straightforward installation without wiring modifications. Available in new and surplus condition, it remains a trusted choice for maintaining long-term system reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete furnace control sequencing:\u003c\/strong\u003e Manages ignition, gas valve operation, and blower motor timing for optimal heating cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated fan control:\u003c\/strong\u003e Activates and deactivates the blower in response to system temperature and operational status.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced flame sensing technology:\u003c\/strong\u003e Continuously monitors flame presence for safety and automatically shuts down the system if a fault occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOEM-grade compatibility:\u003c\/strong\u003e Designed to fit and function exactly like the original installed component for seamless replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable PCB construction:\u003c\/strong\u003e Built from high-quality materials to resist thermal stress, moisture, and mechanical wear.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 103699-01 delivers the reliability and precision required for safe, efficient, and consistent furnace operation in residential heating systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":49105244782848,"sku":"103699-01","price":477.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_956ae866-a749-47d5-9e2f-a9dfe89564e3.webp?v=1785543394","url":"https:\/\/alotechparts.com\/products\/103699-01-lennox-furnace-control-board","provider":"Alo Tech Solutions","version":"1.0","type":"link"}