The 4 LF406-NRS-FLGxGRV from Watts Regulator Company is a high-quality valve designed for efficient flow control in various applications. This model features a durable construction with a non-rising stem, ensuring reliability and ease of use. Rated for pressures up to 150 PSI, it is suitable for both residential and commercial systems. The valve is compliant with ANSI standards, providing safety and performance assurance. Its compact design allows for easy installation in tight spaces, making it a versatile choice for any plumbing project.