The HPWH NT4 Fan, Shroud, and Extension Harness Kit (415-54515-00) is designed for Bradford White heat pump water heaters. This comprehensive kit includes a high-efficiency fan, protective shroud, and extension harness, ensuring optimal performance and reliability. The fan is engineered to enhance airflow, improving the heat exchange process, while the shroud protects the components from environmental factors. The extension harness simplifies installation, making it easier to connect the fan to the system. This kit is essential for maintaining the efficiency and longevity of your heat pump water heater.