The Watts Regulator 1-1/4 LFM115-74 THD S B is a precision flow control valve designed for effective water management. This 1-1/4 inch valve is engineered to handle pressures up to 300 PSI, making it suitable for both residential and commercial applications. Constructed from high-quality materials, it ensures durability and long-lasting performance. The valve features threaded connections for easy installation and compatibility with various piping systems. Compliance with ANSI standards guarantees safety and reliability in operation. Ideal for HVAC systems and water supply lines, this valve is a versatile solution for maintaining optimal flow rates.