{"product_id":"american-standard-21c142827g01-defrost-control-circuit-board-cnt1152-p479","title":"American Standard 21C142827G01 Defrost Control Circuit Board CNT1152  #P479","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\u003eAmerican Standard 21C142827G01 Defrost Control Circuit Board (CNT1152)\u003c\/strong\u003e is a replacement control board designed to manage the defrost cycle in American Standard and Trane heat pump systems. This board ensures proper initiation and termination of the defrost cycle, protecting the outdoor coil from ice buildup and maintaining efficient heat pump operation.\u003c\/p\u003e\n\n\u003cp\u003eThis defrost control board monitors outdoor coil temperature and time intervals to determine when defrost is necessary, then activates the reversing valve and auxiliary heat as needed during the defrost sequence. It is a critical component for maintaining system reliability and energy efficiency in heat pump applications, particularly in climates where frost accumulation is common during heating season operation.\u003c\/p\u003e\n\n\u003cp\u003eThe CNT1152 board is designed as a direct drop-in replacement, making installation straightforward for qualified HVAC technicians. It is compatible with a range of American Standard and Trane heat pump units that originally specified this board or its cross-referenced equivalents.\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 American Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 21C142827G01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard Designation:\u003c\/strong\u003e CNT1152\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 American Standard and Trane heat pump units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Type:\u003c\/strong\u003e Time and temperature initiated defrost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Certified Pre-Owned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Reference:\u003c\/strong\u003e #P479\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you have questions about compatibility with your specific American Standard or Trane heat pump model, please contact us before purchasing. Our team can help verify that this defrost control board is the correct match for your system.\u003c\/p\u003e","brand":"American Standard","offers":[{"title":"Default Title","offer_id":43672867799149,"sku":"12131","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_c634c502-2add-4693-9607-cbd76d441f6e.jpg?v=1763340973","url":"https:\/\/willardshvacsupply.com\/products\/american-standard-21c142827g01-defrost-control-circuit-board-cnt1152-p479","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}