The Watts Regulator 20-0708-21.5 is a reliable 1" pressure regulator designed for optimal performance in water and gas systems. Constructed from high-quality materials, it ensures durability and resistance to corrosion. This model features a maximum inlet pressure of 150 PSI and is equipped with a built-in pressure gauge for easy monitoring. Its compact design allows for installation in confined spaces, while the adjustable pressure settings provide flexibility for various applications. Compliant with industry standards, this regulator is perfect for both residential and commercial use, ensuring consistent pressure control.