{"product_id":"honeywell-lennox-1084-851-defrost-control-circuit-board-100269-01-d11","title":"Honeywell LENNOX 1084-851 Defrost Control Circuit Board 100269-01  #D11","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\n\u003cp\u003eThe \u003cstrong\u003eHoneywell Lennox 1084-851 Defrost Control Circuit Board (100269-01)\u003c\/strong\u003e is a replacement defrost control board designed for use in Lennox heat pump systems. This board manages the defrost cycle, ensuring efficient operation by monitoring outdoor coil temperature and initiating defrost sequences to prevent ice buildup on the heat pump's outdoor unit.\u003c\/p\u003e\n\n\u003cp\u003eProper defrost control is critical for maintaining heat pump performance during cold weather conditions. This circuit board interfaces with the system's temperature sensors and timers to regulate defrost intervals, protecting the outdoor coil and compressor from damage caused by frost accumulation. It serves as a direct replacement for units utilizing the Honeywell 1084-851 or Lennox 100269-01 part numbers.\u003c\/p\u003e\n\n\u003cp\u003eThis is a certified pre-owned unit, fully inspected and tested to ensure reliable operation. It is identified as inventory unit \u003cstrong\u003e#D11\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Honeywell (for Lennox systems)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Part Number:\u003c\/strong\u003e 1084-851\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox Part Number:\u003c\/strong\u003e 100269-01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Defrost control for heat pump systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Lennox heat pump units utilizing the 100269-01 defrost control board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e Typically rated for 24V control circuit operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInventory ID:\u003c\/strong\u003e #D11\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you have questions about compatibility with your specific Lennox heat pump model, please contact us before purchasing. We are happy to assist in verifying that this board matches your system requirements.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43672871567469,"sku":"12185","price":159.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_d63fbff3-3e84-4082-a1b2-c3373c5b49b3.jpg?v=1763341157","url":"https:\/\/willardshvacsupply.com\/products\/honeywell-lennox-1084-851-defrost-control-circuit-board-100269-01-d11","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}