The Watts Regulator 40-S0185-19.5 is an efficient flow regulator designed for optimal performance in various applications. Constructed from high-quality materials, it ensures durability and reliability. This regulator meets ANSI compliance standards, making it suitable for both residential and commercial systems. Its compact design allows for easy installation in tight spaces, enhancing versatility. The 40-S0185-19.5 provides precise flow regulation, improving overall system efficiency, making it a preferred choice for professionals seeking quality and performance in their flow control solutions.