The 0198-37B is an operating nut designed for 2" #3700V valves, ensuring smooth operation and control. Made from durable materials, this nut provides a secure fit and reliable performance in various applications. Its design meets industry standards, making it suitable for both residential and commercial plumbing systems. This component is essential for maintaining the functionality of your valve system, allowing for easy adjustments and ensuring long-lasting performance. Upgrade your valve with the 0198-37B for enhanced reliability.