FEBCO® FEU850-075 3/4 inch RPZ w/ Union Ball (Small Diameter):
Purchase a backflow device with Union Ball Valve ends for easy installation and un-installation to prepare for the winter.
LF850 In-Line Design Double Check Valve Assemblies are designed to prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They feature a cast copper silicon alloy body and threaded ball valve end connections. Maximum Working Pressure: 175psi (12.1 bar).