{"product_id":"lennox-78l27-armstrong-ignition-control-circuit-board-45653001-p340","title":"Lennox 78L27 Armstrong Ignition Control Circuit Board 45653001  #P340","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 Lennox, Armstrong, and Ducane furnace models\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· Replaces part numbers: 78L27, 78L2701, 45653001, 97L20, 97L2001, 12J99, 10427801 · Functions as an ignition control board to regulate spark ignition and flame sensing · OEM quality, designed for reliable furnace ignition control and safety · Controls sequencing of ignition, gas valve, and safety lockout mechanisms · Easy direct replacement for compatible heating equipment · Supports control of intermittent pilot and hot surface ignition systems · Provides diagnostic status LEDs for troubleshooting ignition faults · Voltage and wiring specifications consistent with standard Lennox\/Armstrong furnace systems\u003c\/p\u003e\u003cp\u003eThis board is essential for furnace ignition control, helping to maintain system safety and optimize heating performance.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":43673030819949,"sku":"13623","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_43ce1e61-266b-46a1-baef-f4fccaa2072b.jpg?v=1763346158","url":"https:\/\/willardshvacsupply.com\/products\/lennox-78l27-armstrong-ignition-control-circuit-board-45653001-p340","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}