{"product_id":"emerson-543-0033-02-comfortalert-ultratech-diagnostics-2-stage-d737","title":"Emerson 543-0033-02 ComfortAlert UltraTech Diagnostics 2-Stage  #D737","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• Designed for use with Copeland Scroll UltraTech compressors\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e• Compatible with ComfortAlert diagnostic system   • 2-Stage control diagnostics module   • Power supply: 24 VAC, 50\/60 Hz   • Power consumption: approximately 1.5 VA   • for faster and more accurate troubleshooting of heat pump and air conditioning systems   • Interfaces with Class 2 circuits only   • Helps monitor compressor operation and system faults to enhance reliability   • Discontinued by manufacturer but still widely supported in repairs\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43672883265645,"sku":"12286","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_de6d0aab-0b14-4273-8022-e9a1f3fc2bef.jpg?v=1763341512","url":"https:\/\/willardshvacsupply.com\/products\/emerson-543-0033-02-comfortalert-ultratech-diagnostics-2-stage-d737","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}