The Febco LF825Y Reduced Pressure Zone Assembly Back Flow Preventer is a lead-free valve designed for use with water. With a 3/4 inch pipe size, this manual valve operates as a Reduced Pressure Zone (RPZ) backflow preventer, providing protection against potential backflow situations. Made by the trusted brand FEBCO, this assembly is suitable for various industrial and commercial applications requiring reliable and efficient backflow prevention. Sold as is no returns.