The Watts Regulator 4" 125FSS is a high-performance pressure regulator designed for demanding water systems. This model features a robust construction that ensures durability and resistance to corrosion. Operating at a pressure rating of 150#, it is ideal for both residential and commercial applications. The 125FSS complies with ANSI standards, providing assurance of safety and reliability. Its compact design allows for easy installation, making it a preferred choice for contractors and plumbing professionals seeking dependable pressure regulation.