The Watts Regulator 4 LFF115-74 300 S B is a robust flow control valve designed for efficient water management. With a pressure rating of 300 psi, this valve is constructed from high-quality materials to ensure durability and long-lasting performance. Its compact design allows for easy installation in various plumbing systems, making it a versatile choice for both residential and commercial applications. The LFF115-74 is compliant with industry standards, ensuring reliable operation and safety. Ideal for irrigation, HVAC, and industrial use, this valve helps maintain optimal flow rates and system efficiency.