The Carrier HK32EA0050822 (0822M001692) Defrost Control Board is a genuine OEM replacement electronic control module designed for Carrier, Bryant, and Payne heat pump systems. This board manages the defrost cycle, ensuring the outdoor coil remains free of ice and the unit maintains efficient heating operation in cold weather. A failing board can cause system inefficiency, excessive icing, or heat loss?making this replacement essential for restoring proper performance. Key Features OEM Carrier defrost control board for accurate system management Regulates the outdoor defrost cycle for optimal heat pump efficiency Prevents coil icing and improves cold-weather heating performance Durable, high-quality circuitry for long-term system reliability Easy, direct-fit replacement for numerous Carrier family models Specifications Part Number: HK32EA0050822 Alternate Part: 0822M001692 Type: Defrost Control Board Function: Defrost cycle control, outdoor unit protection, system monitoring Application: Carrier/Bryant/Payne heat pumps Compatible Models (Shortened List): 38AUCSSMH1100 38AUCSSSH1501 38AUCMSMH1510 38AUE12A01A0A 38AUCSSMH2102 38AUCQL08A05A0A 38AU16A05AA 38AUCSSMH1530 38AUCSSHL2611 38AUCMSMH2112 ? and more. Why Choose This Item This defrost board provides precise control, OEM-level reliability, and restored heating performance, making it the ideal solution for systems experiencing defrost issues or cold-weather inefficiency. Installing this board helps ensure your Carrier heat pump runs smoothly, prevents coil freeze-ups, and extends the overall lifespan of the outdoor unit.