The Flow Switch for Domestic Hot Water Priority by Mueller Streamline is an essential component for optimizing hot water systems. This switch detects water flow and prioritizes domestic hot water delivery, ensuring efficient operation. It is designed for compatibility with various plumbing systems, enhancing performance and energy efficiency. The flow switch is easy to install and integrates seamlessly into existing setups, making it ideal for residential and commercial applications. With its reliable performance, this flow switch helps maintain consistent hot water availability.