The Watts Regulator 1-1/2 LFM115 GRV S B is a reliable pressure regulator designed for effective flow control in various applications. This 1-1/2 inch model is constructed from high-quality materials for durability and longevity. Rated for a maximum pressure of 150 PSI, it is suitable for both residential and commercial use. The GRV connection type ensures secure installation and compatibility with existing systems. Compliant with ANSI standards, this regulator guarantees safety and performance. Ideal for HVAC and plumbing applications, it helps maintain consistent pressure levels, enhancing system efficiency.