The T&S Brass 002712-40NS Eterna Cartridge Assembly is designed for reliable performance in hot water applications. This assembly features a spring check mechanism to prevent backflow, ensuring safe and efficient operation. It includes a 2-5/16" lever handle with a red index for easy identification of hot water, along with a screw and bottom gasket for secure installation. Crafted with low lead content, this product meets ADA compliance standards, making it a suitable choice for accessible environments.