{"product_id":"lennox-armstrong-7fc-1-rev-a-control-board-p-n-18j7801-d578","title":"Lennox Armstrong 7FC-1 Rev A Control Board p\/n 18J7801   #D578","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e· Compatible with Armstrong, Ducane, and Lennox furnace systems\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· Part Number: 18J7801, Revision A (7FC-1 Rev A) · Controls ignition and furnace operation, including safety monitoring · Coordinates voltage distribution to components for proper furnace cycling · Monitors sensors and safety switches to ensure safe operation · Professional HVAC installer removed from previous system · Designed for residential heating and HVAC control applications\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":43673188073581,"sku":"14754","price":338.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_a8236f49-2e98-4e20-b36f-850f8a4b6a89.jpg?v=1763350058","url":"https:\/\/willardshvacsupply.com\/products\/lennox-armstrong-7fc-1-rev-a-control-board-p-n-18j7801-d578","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}