The 4" 72HHH4H 150# 316/316/ from Watts Regulator Company is a high-performance pressure regulator designed for demanding applications. With a 4-inch size and a pressure rating of 150#, this model is ideal for managing flow in various systems. Constructed from 316 stainless steel, it offers excellent corrosion resistance and durability. This regulator is compatible with standard piping systems, ensuring easy installation. It meets industry standards for safety and performance, making it a reliable choice for both residential and commercial applications.