The Zoeller Hardware Pak-Switch QJU is designed for use with models 202, 203, and 20, providing essential components for your pump system. This hardware pack includes all necessary parts for installation and maintenance, ensuring optimal performance of your pumps. Made from high-quality materials, the components are built to withstand harsh conditions and provide long-lasting reliability. The QJU switch is easy to install and compatible with various Zoeller pump models, making it a versatile choice for both residential and commercial applications. Enhance your pump's functionality with this comprehensive hardware pack.