The NL 1-1/2 Inch RB Spring Loaded Check Valve by Jones Stephens is engineered for optimal flow control in plumbing systems. This check valve features a robust spring mechanism that ensures reliable operation, preventing backflow and maintaining system integrity. Constructed from high-quality materials, it is designed to withstand high pressure and resist corrosion. With a 1-1/2 inch diameter, it fits standard plumbing configurations, making it suitable for both residential and commercial applications. This check valve meets industry standards, ensuring compliance and performance in various environments.